PLEASE HELP I REALLY NEED IT TO BE FAST I WILL GIVE BRALINEST Which philosophy advocates for individual states being allowed to choose whether to allow slavery or not?

Sectionalism
Popular Sovereignty
Federalism
Confederacy

The Missouri Compromise maintained the balance of power in Congress between slave and free states by allowing Missouri to enter as a slave state and to enter as a free state.

California
Massachusetts
Maine
Texas

The Compromise of 1850 allowed California to enter the Union as a free state upsetting the balance of power between free and slave states. Which bill was passed to get southern states to support the Compromise of 1850?

The Rural Free Delivery Act
The Appalachian Proclamation
The Fugitive Slave Act
The Emancipation Proclamation