Answer:be moved to specific land
Explanation:brainlyist please
Because popular sovereignty was well supported because it allowed the local citizens of a territory to decide if slavery was to be allowed or illegal. Stephen A. Douglas pushed for popular sovereignty during the 1840's.
Hope this helps :)
1. Missouri Compromise (allowed slavery in Missouri)
2. Kansas-Nebraska Act (made Kansas a territory free do decide on slavery)
3. Dred Scott (made black people property)
4. Fugitive Slave Act (forced north to cooperate with slave owners)
5. Bleeding Kansas (Missouri pro-slavery men invaded and terrorized Kansas to force slavery)
Missouri compromise was the beginning were it all started.