The main causes of World War I (WWI) were militarism, alliances, imperialism, and nationalism (MAIN). Explain one of the main causes of WWI and use specific examples from various nations to demonstrate how the war was not caused by just one nation. Do not discuss the assassination of the Archduke as a cause, it was just a catalyst. Do not include the United States in this discussion. The United States was not part of the beginning of this conflict.

The main causes of World War I (WWI) were militarism, alliances, imperialism, and nationalism (MAIN). Explain one of the main causes of WWI and use specific examples from various nations to demonstrate how the war was not caused by just one nation. Do not discuss the assassination of the Archduke as a cause, it was just a catalyst. Do not include the United States in this discussion. The United States was not part of the beginning of this conflict.