Yes they did. Abraham Lincoln banned slavery from slave states that included California.
1804
ban slavery
SLAVERY
The bill that unsuccessfully attempted to ban slavery in Mexico was The Wilmot Proviso.
Georgia
Ban slavery in land obtained from Mexico
Slavery
land acquired from Mexico
1863 I think
georgia
That would be Rhode Island.
Vice president nominee George Pendleton led the opposition to the 13th amendment, which was the ban on slavery. As a result the amendment made changes to its content in order to gain more supporters.