Answer:
C. missouri
Step-by-step explanation:
What they decide to do is basically they make a compromise, and the Missouri Compromise of 1819 did a couple things, one it said that Missouri could be admitted as a slave state, slavery can be permitted in Missouri, however if you would look at a map it's called the 36/30 Treaty or the 36/30 line, that above the 36/30 line and this is Mason Dixon line that basically north of this line, no more slavery, and as far as we're not going to make a state above this line that's going to have slavery in it.
I got it right on Acellus