What were the main causes of World War I? Choose four answers.nationalismmilitarismimperialismpacifismdefeatismalliances

The four commonly identified long-term causes of World War I are nationalism, militarism, imperialism, and alliances. Nationalism intensified rivalries, militarism encouraged arms buildups, imperialism created competition for territory and influence, and alliances drew more countries into the conflict. Pacifism means opposition to war, while defeatism is not considered one of these main causes.

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