AMSCO 7.2 Imperialism: Debates

Overview

AMSCO Topic 7.2, "Imperialism: Debates," covers the argument Americans had in the late 1800s and early 1900s about whether the United States should expand beyond its borders and become a world power. This topic sits in Period 7 (1890-1945), and it sets up the foreign-policy story that runs through the Spanish-American War and into World War I. The big question: should the U.S. build an overseas empire the way European nations were doing, or stay out of it? Two camps formed, the imperialists and the anti-imperialists, and this chapter is about what each side believed and why.

This is a debate-focused topic, so the most useful thing you can do is learn the two positions clearly and be able to compare them. That comparison is exactly what the College Board wants you to be able to explain: the similarities and differences in how Americans thought about the country's proper role in the world.

Why the Imperialism Debate Happened in the 1890s

By the 1890s, several pressures pushed the United States to look outward for the first time in a serious way. Up to this point, American expansion had mostly meant moving west across the continent. Now that energy started pointing overseas.

Forces driving the conversation:

• The "closed frontier." By the 1890s, many Americans believed the western frontier was settled and "closed." If continental expansion was finished, where would the country's restless energy, growing population, and ambition go next? For a lot of people, the answer was overseas.
• Industrial overproduction. American factories and farms were producing more than the home market could buy. Business leaders wanted new foreign markets to sell goods and new places to invest money and get raw materials.
• Competition with European empires. Britain, France, Germany, and others were grabbing colonies across Africa and Asia. To many Americans, falling behind in this race felt like falling behind as a great power.

These pressures didn't automatically mean everyone wanted an empire. They just made the question impossible to avoid, which is what kicked off the debate.

The Imperialist Argument

Image source: Victor Gillam / Public domain

Imperialists argued that the United States was destined to expand its culture, institutions, and influence to peoples around the globe. They leaned on a mix of economic, strategic, and racial reasoning.

Economic reasons

• New overseas markets would absorb surplus American goods.
• Foreign territory offered raw materials and places to invest capital.
• Growing trade required coaling stations, ports, and a strong navy to protect shipping.

Competition and national greatness

• Expansion would let the U.S. keep pace with European empires.
• Naval bases and territory abroad would project American power and strengthen national security.
• With the frontier "closed," overseas expansion was framed as the natural next chapter of American growth.

Racial and cultural theories

• Some imperialists used racial theories to claim that Anglo-Saxon Americans had a duty to spread their culture, government, and religion to other peoples.
• This argument cast expansion as a mission to "uplift" or "civilize," which assumed American institutions were superior and that other peoples needed American guidance.

That last point is uncomfortable but central. A big chunk of the imperialist case rested on the belief that Americans were destined and obligated to extend their way of life to others, an idea built on racial hierarchy.

The Anti-Imperialist Argument

Anti-imperialists argued that the United States should NOT extend its territory overseas. They thought taking colonies betrayed America's own founding principles. Their reasoning pulled from several directions, and (notably) some of it overlapped with the imperialists.

Self-determination and democratic principles

• Ruling over people who didn't consent to be ruled contradicted the American ideal that government rests on the consent of the governed.
• Holding colonies without giving those people full rights or citizenship looked like hypocrisy for a nation founded on liberty and self-government.

The isolationist tradition

• Anti-imperialists pointed to the long U.S. foreign-policy tradition of isolationism, the idea that America should avoid entanglements abroad.
• Staying out of overseas empire-building fit that tradition; building one broke from it.

Racial theories (used the other way)

• Here's the twist students often miss: some anti-imperialists also used racial theories, but to argue AGAINST expansion. They didn't want to absorb the populations of distant territories into the United States.
• So racial thinking showed up on BOTH sides of the debate, just pointed in opposite directions.

Comparing the Two Sides

The key skill for this topic is comparison, so line the two positions up directly.

The big similarity

Both sides actually shared one thing: racial theories shaped the arguments on both ends. Imperialists used race to justify spreading American culture; anti-imperialists used race to justify keeping other peoples out. The conclusions were opposite, but the underlying assumptions about racial hierarchy showed up in both camps. That overlap is exactly the kind of nuance that earns points on a comparison question.

The big difference

The core split is simple: imperialists believed the United States was destined to expand its influence across the globe, while anti-imperialists believed expansion overseas violated the principles of self-determination and the tradition of isolationism. Everything else hangs off that one disagreement.

Key Terms to Know

Practice and Next Steps

Start with the matching course-topic guide for a different angle on the same material: 7.2 Imperialism: Debates. Then keep moving through the AMSCO Period 7 notes on the APUSH AMSCO notes hub.

Where this fits with the neighboring topics:

• Before this: AMSCO 7.1 Contextualizing Period 7 sets up the whole period.
• Right after: AMSCO 7.3 The Spanish-American War and U.S. Foreign Policy to 1917 shows what happened once the imperialists got their way.

Build fluency with practice:

• Sharpen multiple-choice timing with guided MCQ practice.
• Work the comparison skill in FRQ practice with instant scoring.
• Review fast before a quiz with the APUSH cheatsheets and the key terms glossary.