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Unresolved Tensions After World War I

Driving Question: In what ways did unresolved tensions from the interwar period shape future conflicts and territorial boundaries?

People experiencing the period between the two world wars did not know, of course, that they were living in a period between two wars. Many thought it still made sense to call the most recent conflict “the war to end all wars,” and hoped that international efforts for a lasting peace and prosperity would succeed. But the bitter losses suffered during the First World War, the punishments placed on the countries who were blamed for the war, and the attempt at reworking territorial holdings only served to fan, rather than snuff, the flames of conflict in the interwar period.

Learning Objectives

  1. Explain the continuities and changes in territorial holdings from 1900 to the present.
  2. Evaluate international cooperative efforts that arose because of, or in response to, the end of World War I.
  3. Analyze primary source documents to evaluate unresolved tensions during the interwar period.

Vocab Terms:

  • authoritarianism
  • diplomacy
  • dual consciousness
  • internationalism
  • militarism
  • self-determination
  • treaty
STEP 1

Opener: Unresolved Tensions After World War I

Teaching Tools

This activity is designed for a teacher-led, whole-class environment. Be sure to check out the Lesson Guide in advance for preparation instructions and teaching tips. Note that you’ll need to download and print several documents before you begin this activity, including national flags, a data chart, peace cards, and a reflection worksheet. Don’t forget scissors and tape!

If you’d like to conserve paper or your printing allowance, check out this community conversation in which you’ll learn how one OER Project teacher combined several cards into one, on which students were able to circle options (she even provides a downloadable file).

Countries were ready to give peace a chance at the end of World War I, but what did each side want in return for that peace?

STEP 2

Internationalism Between the Wars

Teaching Tools

Students often use terms like fascism, communism, and authoritarianism interchangeably. Help them understand the terms featured in this unit by creating a simple chart comparing who gets power, how they justify it, and what they promise in return. This video is especially useful because it reminds students that the 1920s and 1930s were not only about the rise of extremism. There were serious people across the world attempting to build peace.

In the 1920s, people around the world promoted international cooperation to prevent future wars, leading to efforts like the League of Nations and the Kellogg-Briand Pact. However, these internationalist ideals collapsed in the 1930s and failed to halt rising nationalism and authoritarianism.

Internationalism Between the Wars External link

After World War I, many people had dreams of peace and international cooperation. But these dreams were not realized and the world grew more isolationist and combative.
STEP 3

Source Collection: Unresolved Tensions

What led to World War II? These sources may provide some clues. As you read the primary source excerpts in this collection, use the accompanying Quick-Sourcing Tool and activity to guide your analysis.

STEP 4

Appeasement

STEP 5

Authoritarianism in Japan

Teaching Tools

Use articles not just to convey content, but to help students recognize elements of writing such as phrases used to present evidence, transitional words, use of claims, and introductory clauses.

After the Meiji restoration in 1868, Japan rapidly industrialized and adopted imperialist strategies similar to those of European powers, using militarism and authoritarianism to expand its influence. As the military gained control over society, Japan pursued aggressive expansion with little civilian oversight.

STEP 6

Closer: Unresolved Tensions After World War I

Extension Materials
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The article below can be used as an illustrative example for Topic 7.5 in its exploration of anti-imperial resistance and the impacts of the colonial system on colonized peoples.
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Dual Consciousness

This article helps students understand the cultural and psychological effects of racism and colonialism. It places W.E.B. DuBois’s work, including his idea of “double consciousness,” in the context of transnational connections between colonized peoples.