How did the missouri compromise and the compromise of 1850 allow slavery to continue within the united states? check all that apply *the compromises allowed all established states to determine their own laws about slavery. *the missouri compromise allowed newly admitted states to be slave states, depending on their location. *the missouri compromise proposed a constitutional amendment allowing slavery. *the compromise of 1850 allowed the citizens of utah and new mexico to vote on their state’s laws about slavery. *the compromise of 1850 allowed for the importation of new slaves.