Relations History 57 Politics and government 43 Civilization 28 Foreign relations 25 Christianity 23 Christianity and other religions 21 Catholic Church 13 Congresses 13 Economic conditions 11 Foreign countries 11 Periodicals 11 World politics 11 Islam 10 Judaism 9 Social conditions 7 Buddhism 6 Church of England 6 Colonies 6 Foreign economic relations 6 Public opinion 6 Bibliography 5 Commerce 5 Communism 5 Nationalism 5 Propaganda, American 5 Sources 5 Americans 4 Cultural relations 4 Description and travel 4