• 2 Videos, Slides, Films

• 2 African Americans
• 2 History
• 2 Slavery
• 1 Abolitionists
• 1 Antislavery movements
• 1 Causes
• 1 Emancipation
• 1 Enslaved persons
• 1 Extension to the territories
• 1 Justification
• 1 Public opinion
• 1 Sectionalism (United States)
• 1 Territorial expansion

• 2 Bagwell, Orlando
• 2 Bassett, Angela
• 2 Bellows, Susan
• 2 Fayer, Steve, 1935-
• 2 PBS Video
• 2 WGBH (Television station : Boston, Mass.)
• 2 WGBH Educational Foundation
• 1 Smith, Llewellyn S., 1953-

• 2 English

• 2 United States
• 1 Virginia

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