Social aspects History 25 Histoire 9 Politics and government 8 Social conditions 8 HISTORY 6 African Americans 5 Aspect social 5 History and criticism 5 Public opinion 5 Influence 4 Politique et gouvernement 4 Popular culture 4 Race identity 4 African American women 3 Astronautics 3 Civilization 3 Democracy 3 Elite (Social sciences) 3 Ethnic identity 3 Gentry 3 Political culture 3 Social life and customs 3 Space flight to the moon 3 Statesmen 3 20th Century 2 Amerikaanse Vrijheidsoorlog 2 Capitalism 2 Care and hygiene 2 Civil rights 2