Which of the following made up the free party group

In the Election of 1848, Van Buren was passed over again by the Democrats, so he and antislavery forces from the Democratic (such as the Barnburners), Whig and Liberty parties formed the Free-Soil Party. :)

In the Election of 1848, Van Buren was passed over again by the Democrats, so he and antislavery forces from the Democratic (such as the Barnburners), Whig and Liberty parties formed the Free-Soil Party. :)

the answer to number 5 is fort sumter

answer; i believe its (cpr);