Relations History 46 International relations 46 Christianity 42 Christianity and other religions 39 Islam 26 Interfaith relations 24 more ... Judaism 24 Civilization 22 Politics and government 13 Catholic Church 12 Foreign relations 12 Influence 9 Antiquities 8 Religions 7 Religious aspects 7 Economic conditions 6 Congresses 5 Criticism, interpretation, etc 5 Ethnic relations 5 Intercultural communication 5 Lutheran Church 5 Colonies 4 Doctrines 4 Historiography 4 Pan-Americanism 4 Public opinion 4 Religion 4 Social aspects 4 Social conditions 4 less ...