Test your knowledge of South Korea, from its thriving economy to its relations with the North.

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

Take this quiz to test your knowledge of Canada's government, economy, society, and geography.

Test your knowledge of major treaties and peace agreements, including the Peace of Westphalia and the Treaty of Versailles.

Test your knowledge of WMDs, from nuclear technologies to nuclear-armed states.