Test your knowledge of international organizations and treaties, including long-standing defense alliances and the United Nations.

Test your knowledge of Cuba, from the missile crisis to its recent reforms.

Test your knowledge of Nigeria, from its economic heft to its struggle against Boko Haram.

Test your knowledge of the Kurds, from their campaign for statehood to their role in the Syria conflict.

Test your knowledge of the Cold War, from the Iron Curtain to the Cuban missile crisis.