18. what is the thesis of this excerpt

The Columbian Exchange

• De Las Casas and the Conquistadors
• Early Visual Representations of the New World
• Failed European Colonies in the New World
• Successful European Colonies in the New World
• A Model of Christian Charity
• Benjamin Franklin’s Satire of Witch Hunting
• The American Revolution as Civil War
• Patrick Henry and “Give Me Liberty!”
• Lexington & Concord: Tipping Point of the Revolution
• Abigail Adams and “Remember the Ladies”
• Thomas Paine’s “Common Sense,” 1776
• Citizen Leadership in the Young Republic
• After Shays’ Rebellion
• James Madison Debates a Bill of Rights
• America, the Creeks, and Other Southeastern Tribes
• America and the Six Nations: Native Americans After the Revolution
• The Revolution of 1800
• Jefferson and the Louisiana Purchase
• The Expansion of Democracy During the Jacksonian Era
• The Religious Roots of Abolition
• Individualism in Ralph Waldo Emerson’s “Self-Reliance”
• Aylmer’s Motivation in Nathaniel Hawthorne’s “The Birthmark”
• Thoreau’s Critique of Democracy in “Civil Disobedience”
• Hester’s A: The Red Badge of Wisdom
• “What to the Slave Is the Fourth of July?”
• The Cult of Domesticity
• The Family Life of the Enslaved
• A Pro-Slavery Argument, 1857
• The Underground Railroad
• The Enslaved and the Civil War
• Women, Temperance, and Domesticity
• “The Chinese Question from a Chinese Standpoint,” 1873
• “To Build a Fire”: An Environmentalist Interpretation
• Progressivism in the Factory
• Progressivism in the Home
• The “Aeroplane” as a Symbol of Modernism
• The “Phenomenon of Lindbergh”
• The Radio as New Technology: Blessing or Curse? A 1929 Debate
• The Marshall Plan Speech: Rhetoric and Diplomacy
• NSC 68: America’s Cold War Blueprint
• The Moral Vision of Atticus Finch

Copyright National Humanities Center, 2015

Lesson Contents

Teacher’s note.

• Text Analysis & Close Reading Questions

Follow-Up Assignment

• Student Version PDF

In what ways did the arrival of Europeans to America bring about unforeseen and unintended consequences for the people and environments of both the New World and the Old?

Understanding.

The Columbian Exchange — the interchange of plants, animals, disease, and technology sparked by Columbus’s voyages to the New World — marked a critical point in history. It allowed ecologies and cultures that had previously been separated by oceans to mix in new and unpredictable ways. It was an interconnected web of events with immediate and extended consequences that could neither be predicted nor controlled.

Charles C. Mann, 1493: Uncovering the New World Columbus Created

Text Complexity

Grade 9–10 complexity band.

For more information on text complexity see these resources from achievethecore.org .

In the Text Analysis section, Tier 2 vocabulary words are defined in pop-ups, and Tier 3 words are explained in brackets.

Click here for standards and skills for this lesson.

Common Core State Standards

• ELA-LITERACY.RI.9-10.1 (cite evidence to analyze specifically and by inference)
• ELA-LITERACY.RI.9-10.2 (determine a central idea and its development)

Advanced Placement US History

• Key Concept 1.2 (IIA) (introduction of crops and animals not found in the Americas)

In this lesson students will explore a description of the Columbian Exchange written by Charles C. Mann as part of the introduction to his book, 1493: Uncovering the New World Columbus Created . In three excerpts students will examine elements of the Exchange — an overview, a specific biological example of unintended consequences, and finally an example of unintended human costs of the Columbian Exchange. Each excerpt is accompanied by close reading questions for students to complete. The text analysis is accompanied by three interactive exercises to aid in student understanding. The first interactive allows students to explore vocabulary in context; the second encourages students to review the textual analysis; and the third explores the use of diction, simile, and appeal to authority.

This lesson focuses upon the Columbian Exchange as an interwoven process with unforeseen consequences. Charles Mann expands upon the earlier theories of Alfred W. Crosby, who explored the idea of the Columbian Exchange in 1972 (for a general essay on the Columbian Exchange written by Crosby, including suggestions for class discussions, click here ). Although Mann details the effects of tobacco, the potato, corn, malaria, yellow fever, the rubber industry, and other elements of the Exchange in both the Eastern and Western hemispheres fully in 1493 , this lesson focuses specifically upon some effects of the Exchange in Hispaniola. The follow-up assignment allows students to extend the effects of the Exchange into the African slave trade. The author uses Colon, the Spanish spelling for Columbus, throughout, and that spelling has been retained in the excerpts for this lesson.

This lesson is divided into two parts, both accessible below. The teacher’s guide includes a background note, the text analysis with responses to the close reading questions, access to the interactive exercises, and a follow-up assignment. The student’s version, an interactive worksheet that can be e-mailed, contains all of the above except the responses to the close reading questions, and the follow-up assignment.

Teacher’s Guide

Background questions.

• What kind of text are we dealing with?
• When was it written?
• Who wrote it?
• For what audience was it intended?
• For what purpose was it written?

When Columbus landed on the island of Hispaniola (the island including the modern countries of Haiti and the Dominican Republic) during his first voyage in 1492, he and his men did not realize the lasting effects their voyage would have on both the New World and the Old at that time and in the years to come. The Columbian Exchange is the term given to the transfer of plants, animals, disease, and technology between the Old World from which Columbus came and the New World which he found. Some exchanges were purposeful — the explorers intentionally brought animals and food — but others were accidental. In this lesson you will read about this Exchange from a description written by Charles C. Mann, a writer specializing in scientific topics. This lesson uses excerpts from a book entitled 1493: Uncovering the New World Columbus Created in which Mann describes the effects, both intended and unintended, of the Columbian Exchange. Mann wrote 1493 to explore the Columbian Exchange as a process which is still going on today.

This lesson draws from the introduction in Mann’s book. There are three excerpts, each with close reading questions. The first excerpt is a general overview of the Exchange — while it does not include all parts of the Exchange, you will see examples of how animals and plants from one part of the world replaced those in another part of the world. In excerpt two you will explore a specific example of unintended consequences of the Columbian Exchange, when settlers thought they were simply bringing in an enjoyable food, but they wound up with an invasive pest. Finally, in excerpt three you can see the devastating effects of the Columbian Exchange upon the Taino Indians, the residents of Hispaniola before Columbus arrived. In some of the excerpts you will see Columbus spelled as Colon — this is the Spanish spelling and is used by the author.

Text Analysis

Close reading questions.

1. Why do you believe Columbus brought cattle, sheep or horses with him? They were part of the European culture. They would help in farming (cattle and sheep) and communication, transportation, and war (horses). The Spanish intended to start a colony and would need the animals.

2. What would the Taino culture have been like without cattle or horses? There would have been communication only by human messenger and fields planted by hand. There would have been no quick communication (by horse) or plowed fields or pastures (no cattle, so they were not possible or necessary) and only a few, small paths, no real roads (the only transportation was by foot).

3. What is the thesis statement of paragraph 1? How does Mann develop that thesis? Cite evidence from the text. The thesis is “Colon and his crew did not voyage alone.” Mann develops that thesis by giving examples to prove his point, including earthworms, cockroaches, African Grasses, rats, and other animals and plants.

4. How did the introduction of cattle and sheep affect plant life on Hispaniola? New grasses for grazing choked out native species.

5. Why is it important that alien grasses, trees, and other plants choked out native vegetation in Hispaniola? Choking out native grasses reduced the biodiversity (the number of distinct life forms) of Hispaniola. Ecosystems that are more biodiverse (they have more distinct life forms) are more productive and are more resistant to diseases.

6. What can be the effect of introducing a new predator into an environment, such as the Indian mongoose in Hispaniola? Give an example. It can render another species extinct, which may itself have unintended consequences. For instance, the food source for the Dominican snake may have increased in population which may have led to other effects.

7. How does Mann show that the Columbian Exchange is still ongoing? He relates how, in 2004, the orange groves have become prey of the lime swallowtail butterflies.

8. In the second paragraph of this excerpt, Mann implies his thesis but does not actually state it. What is the implied thesis of paragraph 2? How does he imply the thesis? Mann implies that the Columbian Exchange can have negative results. He gives examples, citing grasses that were choked out, trees that were replaced with other types of trees, and animals driven toward extinction. In this excerpt, Mann offers an overview of the Columbian Exchange with examples.

…Colon [Columbus] and his crew did not voyage alone. They were accompanied by a menagerie of insects, plants, mammals, and microorganisms. Beginning with La Isabela [Colon’s first settlement], European expeditions brought cattle, sheep, and horses, along with crops like sugar cane (originally from New Guinea), wheat (from the Middle East), bananas (from Africa), and coffee (also from Africa). Equally important, creatures the colonists knew nothing about hitchhiked along for the ride. Earthworms, mosquitoes, and cockroaches; honeybees, dandelions, and African grasses; rats of every description — all of them poured from the hulls of Colon’s vessels and those that followed, rushing like eager tourists into lands that had never seen their like before.

Movqvites (Mosquito), “Histoire Naturelle des Indes,” ca. 1586

9. According to the author and his sources, what unintended import came in to Hispaniola with plantains? With the plantains came scale insects.

10. How does the author define scale insects? They are small creatures with tough, waxy coats that suck the juices from plant roots and stems.

11. Define “ecological release.” Ecological release is when an invasive species is introduced into an environment with no natural predators and subsequently the population explodes.

12. Using the example of scale insects as evidence, why are natural predators important to an ecosystem? They help to regulate the population of a species and keep an ecosystem in balance.

13. What was the unintended effect of this import, scale insects, according to Wilson? Why did they have this effect? The scale insects sucked juices from plants and stems. They had no natural enemies, so their populations grew greatly. The scale insects became a food source for fire ants. With a virtually unlimited food source, the fire ant population grew greatly. The fire ants invaded settlers’ homes. This proved to be dangerous to the settlers.

14. Mann begins the second paragraph in this excerpt with “So far this is informed speculation.” What effect does this admission have on our perception of Mann as an author? It reminds the reader that Mann is approaching his topic from a scientific perspective, being careful to alert readers to what is proven and what is not. This helps to establish him as a writer we can trust.

15. What document from the 1500s seems to confirm this unintended effect? Bartolome de Las Casas wrote of a sudden infestation of fire ants in 1518 and 1519.

16. What was the unintended effect to settlers of the introduction of plantains to Hispaniola? Although they had plantains to eat, they also had to deal with fire ants. As a result, they abandoned their homes.

17. How does Mann combine 16th and 20th century evidence? He uses 20th century science to explain a 16th century eye-witness account. Here Mann gives a specific example of unintended consequences.

Natives and newcomers interacted in unexpected ways, creating biological bedlam . When Spanish colonists imported African plantains [a tropical plant that resembles a banana] in 1516, the Harvard entomologist Edward O. Wilson has proposed, they also imported scale insects, small creatures with tough, waxy coats that suck the juices from plant roots and stems. About a dozen banana-infesting scale insects are known in Africa. In Hispaniola, Wilson argued, these insects had no natural enemies. In consequence, their numbers must have exploded — a phenomenon known to science as “ecological release.” This spread of scale insects would have dismayed the island’s European banana farmers but delighted one of its native species: the tropical fire ant Solenopsis geminata . S. geminata is fond of dining on scale insects’ sugary excrement; to ensure the flow, the ants will attack anything that disturbs them. A big increase in scale insects would have led to a big increase in fire ants.

18. What is the thesis of this excerpt? Mann asserts that “the most dramatic impact of the Columbian Exchange was on humankind itself.”

19. What evidence does Mann use to develop this thesis? He uses Columbus’s original account, 16th century official Spanish documents, and estimates by modern historians.

20. Why did the Spanish conduct a census of the Indians on Hispaniola in 1514? What did the census find regarding the Taino population? The Spanish conducted a census in order to count the Taino so that they could be assigned to Spanish settlers as laborers. This was part of the encomienda system, whereby a Spanish settler was given a plantation as well as the labor of all the Indians who lived on that plantation. The census-takers found that there were few Taino left, perhaps only about 26,000.

21. According to the author, what two factors caused this change in population? Which cause was the most influential? The two causes were Spanish cruelty and the introduction of diseases by the Columbian Exchange. The most influential was the introduction of disease.

22. The third sentence in paragraph 2 of this excerpt uses a rhetorical device called asyndeton. Asyndeton is a list of items with conjunctions omitted and can be used to imply that there are more items that could be added to the list. What types of items does the author list using asyndeton? What is the effect? The author lists diseases, both viruses and bacteria. The effect is a “piling up”, implying that more diseases were brought to Hispaniola as well, but the author may not have the space in the sentence to list them. In fact, other diseases were introduced by the Columbian Exchange, including malaria, yellow fever, whooping cough, chicken pox, the bubonic plague, and leprosy.

23. Why was the introduction of these diseases so devastating for the Taino and not the Spanish explorers? The Taino had never been exposed to these diseases before and therefore had no natural immunity to stop or control the spread of the disease. The Spanish did have some natural immunity, since the diseases were present in Europe at that time.

24. What is the effect of Mann including the information about the first recorded epidemic, which occurred within one year of Columbus’s arrival? He reminds the reader that the devastating effects of diseases brought by the Exchange happened almost immediately for the Taino. This conveys the seriousness of the Exchange as well as the power of the diseases in a population with no natural immunity.

From the human perspective, the most dramatic impact of the Columbian Exchange was on humankind itself. Spanish accounts suggest that Hispaniola had a large native population: Colón, for instance, casually described the Taino as “innumerable, for I believe there to be millions upon millions of them.” Las Casas claimed the population to be “more than three million.” Modern researchers have not nailed down the number; estimates range from 60,000 to almost 8,000,000. A careful study in 2003 argued that the true figure was “a few hundred thousand.” No matter what the original number, though, the European impact was horrific . In 1514, twenty-two years after Colon’s first voyage, the Spanish government counted up the Indians on Hispaniola for the purpose of allocating them among colonists as laborers. Census agents fanned the across the island but found only 26,000 Taino. Thirty-four years later, according to one scholarly Spanish resident, fewer than 500 Taino were alive….

Spanish cruelty played its part in the calamity , but its larger cause was the Columbian Exchange. Before Colon none of the epidemic diseases common in Europe and Asia existed in the Americas. The viruses that cause smallpox, influenza, hepatitis, measles, encephalitis, and viral pneumonia; the bacteria that cause tuberculosis, diphtheria, cholera, typhus, scarlet fever, and bacterial meningitis — by a quirk of evolutionary history, all were unknown in the Western Hemisphere. Shipped across the ocean from Europe these maladies consumed Hispaniola’s native population with stunning rapacity . The first recorded epidemic, perhaps due to swine flu, was in 1493….

Joan Vinckeboons, “Map of the islands of Hispaniola and Puerto Rico,” 1639(?)

Mann describes in excerpt three a major change in Taino population on Hispaniola and the effects of this change on the Taino population and the Spanish. But another group was also affected — enslaved Africans. The Spanish used the encomienda system in Hispaniola, whereby conquistadors were given large plantations as well as the Indian slave labor of all who lived on the plantation. Through this system the Spanish moved quickly to enslave Indians, even though the official mission of the Spanish was to Christianize them. In response to pressure from the Catholic Church, in 1542 King Carlos V banned Indian slavery, opening the way for African slaves. Mann writes,

By 1501, seven years after La Isabella’s founding, so many Africans [as slaves] had come to Hispaniola that the alarmed Spanish king and queen instructed the island’s governor not to allow any more to land [but]…the colonists saw that the Africans appeared immune to disease, didn’t have local social networks that would help them escape, and possessed useful skills — many African societies were well known for their ironworking and horsemanship. Slave ships bellied up to the docks of Santo Domingo in ever-greater numbers. The slaves were not as easily controlled as the colonists had hoped [and]…. No longer were Africans slipped into the Americas by the handful. The rise of sugar production [sugar production is very labor intensive] in Mexico and the concurrent rise in Brazil opened the floodgates. Between 1550 and 1650…slave ships ferried across about 650,000 Africans, with the total split more or less equally between Spanish and Portuguese America…. Soon they [Africans] were more ubiquitous [existing everywhere] in the Americas than Europeans, with results the latter never expected. (Mann, p.387–388)

What do you believe might have been some of the “results the latter [the Europeans] never expected”? In what ways can New World slavery be said to be related to the Columbian Exchange? Discuss the possible unintended consequences with your classmates. Use specific examples as evidence.

Vocabulary Pop-Ups

• menagerie : collection of wild or unusual animals
• alien : foreign, hostile
• depredation : ravages
• bedlam : wild confusion
• entomologist : insect expert
• phenomenon : observable event or fact
• dismayed : alarmed
• speculation : thoughtful opinion
• culprit : villain
• horrific : causing horror
• fanned : spread out
• calamity : great disaster
• quirk : peculiar action
• maladies : chronic diseases
• rapacity : fierce hunger
• Charles C. Mann, 1493: Uncovering the New World Columbus Created (New York: Vintage Books, 2012).
• Bouttats, Pieter Balthazar, 1666–1755, engraver. : El almirante Christoral Colon descubre la Isla Española, iy haze poner una Cruz, etc. / P. B. Bouttats fec., Aqua forti. [1728] Library of Congress Rare Book and Special Collections Division Washington, D.C. 20540 USA http://www.loc.gov/pictures/resource/cph.3a10998/?co=cph (accessed September 15, 2014).
• Histoire Naturelle des Indes , Illustrated manuscript. ca. 1586. Bequest of Clara S. Peck, 1983 MA 3900 (fol. 71v–72) The Morgan Library and Museum, New York. http://www.themorgan.org/collection/Histoire-Naturelle-des-Indes/72
• Vinckeboons, Joan. Map of the islands of Hispaniola and Puerto Rico. Map. [1639?] Pen-and-ink and watercolor. Library of Congress Geography and Map Division Washington, D.C. 20540-4650 USA http://www.loc.gov/item/2003623402/ (accessed September 15, 2014)
• De insulis nuper in mari Indico repertis [Christopher Columbus discovering America]. Woodcut, 1494. Library of Congress Rare Book and Special Collections Division Washington, D.C. 20540 USA Illus. in Incun. 1494 .V47 Vollbehr Coll [Rare Book RR] http://www.loc.gov/pictures/resource/cph.3g04806/?co=cph (accessed September 29, 2014).
• Christopher Columbus leaving Spain to go to America. London : J. Edwards, 1800? 1 print : engraving. Illus. in: America, part 4 / Theodore de Bry, 1528-1598, ed., 1800?, plate VIII. Library of Congress Miscellaneous Items in High Demand Collection http://www.loc.gov/pictures/item/90715316/ (accessed September 29, 2014).
• Christophe Colomb parmi les Indiens / lith. de Turgis. Paris : Vve. Turgis, [between 1850 and 1900]. Library of Congress Prints and Photographs Division Washington, D.C. 20540 http://www.loc.gov/pictures/item/93504854/ (accessed September 29, 2014).
• Histoire Naturelle des Indes , Illustrated manuscript. ca. 1586. Bequest of Clara S. Peck, 1983 MA 3900 (fol. 11v–12) The Morgan Library and Museum, New York. http://www.themorgan.org/collection/Histoire-Naturelle-des-Indes/12

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The Ultimate Guide to Writing a Thesis Statement

A thesis statement is a sentence in a paper or essay (in the opening paragraph) that introduces the main topic to the reader. As one of the first things your reader sees, your thesis statement is one of the most important sentences in your entire paper—but also one of the hardest to write! 

In this article, we explain how to write a thesis statement in the best way possible. We look at what to include and the steps to take for writing your own, along with plenty of thesis statement examples to guide you. 

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Table of contents

What is a thesis statement, how to write a thesis statement: basics, what to include in a thesis statement (with examples), how to write a thesis statement in 3 steps.

The goal of a thesis statement is to let your reader know what your paper or essay is about. It helps your reader understand the greater context and scope of your topic, plus it lets your readers know what to expect from the rest of the work. 

A secondary benefit of a thesis statement is that it makes it easier to search for papers on a particular topic, especially in the realm of academic writing like research papers and thesis papers (which are sometimes known as dissertations when written for doctoral degrees). For example, if you’re writing a paper of your own, you’ll want to look up other papers to use as evidence and sources . You can simply scan the thesis statements of several papers to see which match your topic and could be worthwhile sources to cite. 

Before we get into details, here are the basic steps for how to write a thesis statement: 

• Develop the best topic to cover in your paper
• Phrase your topic as a question-and-answer
• Add some polish

We ’ ll describe each of those steps in more detail below, but we wanted to share a quick guide. Also, we ’ ll provide some thesis statement examples and talk about how to write a thesis statement for different kinds of essays: persuasive, compare-and-contrast, expository, and argumentative essays.

The thesis statement is located at the beginning of a paper, in the opening paragraph, making it an essential way to start an essay . A thesis statement isn’t necessarily the first sentence in an essay; typically you’ll want to hook the reader in an engaging way in the opening sentence before inserting your central idea or argument later in the first paragraph. A thesis statement is often confused with a topic sentence , the first sentence in a paragraph, because they both introduce the central idea of what follows. You can think of thesis statements as the topic sentence of your entire paper.  

Thesis statements are a necessary part of paper and essay writing , but different formats have different rules and best practices. Below, we break down how to write a thesis statement for the most common types of papers. 

How to write a thesis statement for expository and argumentative essays

Expository and argumentative essays are some of the most common types of academic papers. Because they don’t have a formal abstract like research papers, they rely on their thesis statements to provide an overview of what’s discussed. 

Thesis statements for argumentative and expository essays should use strong and decisive language; don’t be wishy-washy or uncertain. You want to take a stand right in the opening so that your readers understand what your paper is trying to show. 

Moreover, thesis statements for these essays should be specific, with some minor details to hint at the rest of the paper. It’s not enough to merely make your point; you also want to provide some basic evidence or background context to paint a full picture. 

If your paper dives into different subtopics or categories, try to fit them into the thesis statement if you can. You don’t have to get into details here, but it’s nice to mention the different sections at the top so that the reader knows what to expect. 

Thesis statement examples

Despite the taboo, insects make an excellent food source and could stem humanity’s looming food shortage, based on both their protein output and the sustainability of farming them. 

The backlash to rock ’n’ roll music in the ’50s by religious groups and traditionalists actually boosted the genre’s popularity instead of diminishing it as intended.

How to write a thesis statement for persuasive essays

Similar to argumentative essays, persuasive essays follow many of the same guidelines for their thesis statements: decisive language, specific details, and mentions of subtopics. 

However, the main difference is that, while the thesis statements for argumentative and expository essays state facts, the thesis statements for persuasive essays state clear opinions . Still, the format is the same, and the opinions are often treated like facts, including conclusive language and citing evidence to support your claims. 

Furthermore, unlike with other essays, it’s appropriate to make emotional connections in a thesis statement in persuasive essays. This can actually be a clever strategy to start your essay off on a more personal, impactful note. 

Advertising should not be allowed in public schools because it’s a distraction from studies and may lead to misguided priorities among the school board, to say nothing of the materialist culture it promotes. 

Exotic pets provide the same love and companionship as conventional pets, so the laws regulating which animals can and cannot be kept as pets should be more relaxed.

How to write a thesis statement for compare-and-contrast essays

Thesis statements for compare-and-contrast essays are tricky because you have at least two topics to touch on instead of just one. The same general guidelines apply (decisive language, details, etc.), but you need to give equal attention to both your topics—otherwise, your essay will seem biased from the start. 

As always, your thesis statement should reflect what’s written in the rest of your essay. If your essay spends more time comparing than contrasting, your thesis statement should focus more on similarities than differences. 

It sometimes helps to give specific examples as well, but keep them simple and brief. Save the finer details for the body of your essay. 

Sean Connery and Daniel Craig are the two most popular actors to portray James Bond, but both have their own distinct and at times contradictory interpretations of the character. 

Now that you know what you’re aiming for, it’s time to sit down and write your own thesis statement. To keep you on track, here are three easy steps to guide you. 

1 Brainstorm the best topic for your essay

You can’t write a thesis statement until you know what your paper is about, so your first step is choosing a topic. 

If the topic is already assigned, great ! That’s all for this step. If not, consider the tips below for choosing the topic that’s best for you:

• Pick a topic that you’re passionate about. Even if you don’t know much about it, it’ll be easier to learn about it while writing if you’re genuinely interested. 
• Narrow down your topic to something specific; otherwise, your paper will be too broad and perhaps too long. Just make sure it’s not too specific, or you won’t have enough to write about. Try to find a happy medium. 
• Check beforehand that there are enough strong, credible sources to use for research. You don’t want to run out of referential material halfway through. 

Once you’ve chosen a topic—and the angle or stance you want to take—then it’s time to put the idea for your thesis sentence into words. 

2 Phrase your topic as a question and then answer it

It’s not always easy to fit your entire thesis into just one sentence, let alone one that’s written clearly and eloquently. Here’s a quick technique to help you get started. 

First, phrase your topic as a question. For example, if you want to write about Mahatma Gandhi’s legacy, ask yourself, “What influences did Gandhi have on society after his death?” 

If you already know the answer, write it down—that’s a good start for your thesis statement. If you don’t know the answer, do some preliminary research to find out; you can certainly use what you discover as evidence and sources in your essay’s body paragraphs . 

3 Add some polish

Chances are, your first attempt at a thesis statement won’t be perfect. To get it to its best, try revising , editing , and adding what’s missing. 

Remember the core traits for thesis statements we mentioned above: decisive language, a happy medium of specific but not too specific details, and mention of subtopics. If you’re struggling to contain everything in a single sentence, feel free to move the secondary information to the following sentence. The thesis statement itself should only have what’s most necessary. 

If you’re in doubt, read your thesis statement to a friend and ask them what they think your paper is about. If they answer correctly, your thesis statement does its job. 

Next comes the hard part—writing the rest! While the bulk of the writing lies ahead, at least you’ve nailed down your central idea. To plot out your supporting argument, follow our advice on essay structure and let your ideas flow.