Title: The frontier against slavery
First published: 1967
Subjects: Extension to the territories, Frontier and pioneer life, History, Slavery, Race relations, Racism, Esclavage, Extension aux États libres, Slavery, united states, Frontier and pioneer life, west (u.s.), West (u.s.), politics and government, Racism against Black people, Enslavement, Histoire, United states, history
Places: West (U.S.), United States