Fugitive slaves History 90 African Americans 40 Antislavery movements 38 Slavery 36 Underground Railroad 32 Enslaved persons 31 更多 ... Legal status, laws, etc 18 Abolitionists 17 African American abolitionists 12 Race relations 12 Social conditions 11 Politics and government 9 Social aspects 8 Legal status of enslaved persons in free states 6 Slave rebellions 6 African American women 5 Causes 5 Enslaved persons' writings, American 5 History and criticism 5 Influence 5 Law and legislation 5 Maroons 5 Memory 5 Participation, African American 5 Plantation life 5 Political aspects 5 Trials, litigation, etc 5 African American authors 4 Autobiography 4 少 ...