Economic conditions Political activity History 32 Politics and government 22 Social conditions 21 Middle class 7 Political aspects 6 Protest movements 6 Working class 6 Peasants 5 Race relations 4 Veterans 4 Women 4 World War, 1914-1918 4 African Americans 3 Capitalism 3 Economic aspects 3 Government policy 3 New Deal, 1933-1939 3 Rural conditions 3 Armed Forces 2 Civil rights 2 Economic policy 2 Education 2 Ethnic relations 2 Family farms 2 Farmers 2 Labor unions 2 Land reform 2 Land tenure 2