History Spanish-American War, 1898 Foreign relations 8 International relations 7 Campaigns 6 Christianity 5 Generals 5 more ... Influence 5 National characteristics, American 5 Religious aspects 5 Social aspects 5 Territorial expansion 5 War 5 World War, 1914-1918 5 Causes 3 Civil religion 3 Civilization 3 Cold War 3 Historiography 3 Indians of North America 3 Intervention (International law) 3 Military campaigns 3 Moral and ethical aspects 3 Political aspects 3 Politics and government 3 Protest movements 3 Regimental histories 3 Relations 3 Religion and international relations 3 War on Terrorism, 2001-2009 3 less ...