History -- Foreign relations -- 40 Politics and government -- 17 History 12 Presidents -- 10 Military policy 6 Terrorism -- 6 more ... World politics -- 6 Armed Forces -- 5 Biography -- 4 Political aspects -- 4 Foreign economic relations -- 3 Government policy -- 3 National security -- 3 Politics and government 3 Prevention -- 3 20th century 2 China 2 Civil war, 1861-1865 2 Civilization -- 2 Cold War 2 Congress -- 2 Democracy -- 2 Drug traffic -- 2 Economic conditions -- 2 Economic policy -- 2 Executive power -- 2 Foreign relations 2 Iraq War, 2003- 2 Juvenile literature 2 less ...