The correct answer is the Judicial reform bill.
He decided to change the supreme court and include more justices which would be helpful when making decisions about the new deal program.
In 1854, the controversial Kansas-Nebraska Act, split two
existing political parties the Whig party and Jacksonian Democrats and led to
the creation of the Republican party. Kansas-Nebraska act overturned the Missouri
compromise and allowed settlers to decide whether slavery would be allowed in
their state. This led to the creation of the Republican party founded by anti-slavers
whose primary objective was fighting slavery.
52 democrats and 46 Republicans and also 2 independents.
They agreed to count each slave as 3/5 of a person.