Other
Afro-Americana
Extension to the territories
Slavery
%SP3
15
Politics and government
10
History
5
Justification
3
Missouri compromise
3
Annexation to the United States
2
Civil rights
2
Compromise of 1850
2
Democratic
2
Elections
2
Extension to territories
2
Political aspects
2
Republican
2
Campaign literature
1
Democratic Party
1
Extension to be territories
1
Foreign relations
1
Powers and duties
1
Slave trade
1
Territories and possessions
1