Take this quiz to test your knowledge of the trends and policies surrounding U.S. immigration.

Test your knowledge of Australia, from its system of government to its trade policy.

Test your knowledge of Iraq, including its oil wealth and the 2003 U.S. invasion.

Test your knowledge of Iran, from its politics to its oil industry.

Test your knowledge of U.S. secretaries of state, from the founding of the country to the present day.