AP U.S. History Flashcards: Interwar Foreign Policy
Written by AP Content Team, Verified for 2026 AP Exams, Last updated: May 2026
Review key ideas with interactive flashcards. This set includes 10 cards to help you master important concepts.
What event shifted U.S. public opinion from isolationism to intervention in World War II?
The Japanese attack on Pearl Harbor was the pivotal event that drew the United States into World War II.
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What event shifted U.S. public opinion from isolationism to intervention in World War II?
The Japanese attack on Pearl Harbor was the pivotal event that drew the United States into World War II.
U.S. Isolationism (1920s-1930s)
A foreign policy stance where the United States sought to avoid entanglement in international conflicts and political alliances, which was prevalent until the attack on Pearl Harbor.
What was the nation's proper role in the world, according to U.S. policy in the 1920s?
The U.S. believed its proper role was to act unilaterally to promote a stable international order that favored its interests, using economic and diplomatic means rather than collective security.
Interwar Period
The era between the end of World War I and the beginning of World War II, during which U.S. foreign policy was marked by a mix of isolationism and unilateral international engagement.
Given the aggression of Nazi Germany and Japan in the 1930s, what was the general sentiment in the U.S. regarding a military response?
Despite growing international aggression, the majority of Americans remained opposed to taking military action until the U.S. was directly attacked at Pearl Harbor.
What was the fundamental contradiction in U.S. foreign policy after World War I?
The U.S. pursued a unilateral foreign policy to actively shape an international order while simultaneously claiming to maintain a policy of isolationism.
Describe the primary methods of U.S. foreign policy in the years following World War I.
The U.S. pursued its foreign policy goals through international investment, the creation of peace treaties, and the use of select military interventions.
Unilateral Foreign Policy (Interwar Period)
An approach used by the U.S. after WWI that involved international investment, peace treaties, and select military intervention to promote a global order while maintaining U.S. isolationism.
What was the dominant American attitude toward foreign aggression in the 1930s?
In the 1930s, most Americans opposed taking military action against the aggression of Nazi Germany and Japan.
How did the U.S. balance its goals of promoting an international order and maintaining isolationism after WWI?
The U.S. used economic and diplomatic tools like investment and peace treaties, along with select military actions, to influence world events without entering into binding political alliances.