Which of the following states is NOT true with regards to the expansion of slavery into the western territories?

1The Wilmot Proviso aimed at prohibiting slavery in any territory that would be won from Mexico. It was not passed by Congress, but it wc

territories for the next fifteen years.
2The idea of letting white settlers decide if the territories they moved to would be free or slave was known as popular sovereignty.

3The whig candidate for president in 1848, war hero Zachary Taylor, had no party affiliation and had never himself voted in a presidential ele

4 The Free Soil party, which
nominated former president Martin Van Burn in 1848, wanted to abolish slavery in the USA, to make the countr