History 62 Slavery 15 Social conditions 12 Social aspects 11 Enslaved persons 10 Campaigns 9 Politics and government 9 more ... African Americans 7 Secession 7 Race relations 6 Reconstruction (U.S. history, 1865-1877) 6 Antislavery movements 5 Fugitive slaves 5 Military campaigns 5 Military leadership 5 Political aspects 5 African American clergy 4 Armed Forces 4 Clergy 4 Command of troops 4 Participation, African American 4 Social classes 4 African American troops 3 Causes 3 Defenses 3 Education, Higher 3 Families 3 Family relationships 3 Fortification 3 Fortification, Field 3 less ...