The Free-Soiler party opposed the expansion of slavery into territories gained by the Mexican Cession.
Free-Soil Party.
because of slvery =)
The Prohibition Party
the answer is the whig party
lado bdr act
The Republican party.
slvery caused the secession of texas.
they opposed reservations
The Republicans.
The Republocrats
the Confederate Party
Free Soil Party, opposed the expansion of slavery