Civilization History 16 History -- 8 Politics and government 8 Social conditions 6 Social life and customs 6 Economic conditions 5 more ... Politics and government -- 5 Description and travel 3 Islamic countries -- 3 Philosophy 3 Civilization -- 2 Civilization, Islamic 2 Economic conditions -- 2 Ethnology -- 2 Islam -- 2 Muslims -- 2 National characteristics, American 2 Religion 2 Values -- 2 Ancient influences 1 Art -- 1 Asia -- 1 Authorities -- 1 Biography 1 Civilization, Modern -- 1 Civilization, Western 1 Civilizations -- 1 Colonies -- 1 Democracy -- 1 less ...