Other
Missouri compromise
Slavery
Extension to the territories
11
History
4
Afro-Americana
3
Controversial literature
3
%SP3
2
Compromise of 1850
2
Republican
2
Speeches in Congress
2
African Americans
1
Campaign literature
1
Campaign literature, 1860
1
Controversial literature,
1
Emancipation
1
Enslaved persons
1
Esclavage
1
Extension aux États libres
1
Extension to be territories
1
Law
1
Law and legislation
1
Legal status of enslaved persons in free states
1
Poetry
1
Political aspects
1
Politics and government
1
Politique et gouvernement
1
Statehood (American politics)
1
Statut juridique des esclaves dans les États libres
1