History 1,698 Campaigns 255 Social aspects 168 Politics and government 147 Generals 127 Regimental histories 119 Soldiers 115 more ... African Americans 98 Causes 90 Slavery 88 Reconstruction (U.S. history, 1865-1877) 83 Social conditions 79 Influence 64 Women 59 Naval operations 46 History and criticism 44 Gettysburg, Battle of, Gettysburg, Pa., 1863 40 Military leadership 39 Race relations 38 Slaves 37 Literature and the war 35 History, Military 34 Participation, African American 33 Medical care 32 Political aspects 31 Prisoners and prisons 31 African American soldiers 28 Historiography 28 Military life 27 Secession 27 less ...