Question

Which describes what the Missouri Compromise (Compromise of 1820) and the Compromise of 1850 had in common?

A.
They both attempted to preserve the Union.

B.
They both found permanent solutions to the slavery issue.

C.
They both supported states rights over federal power.

D.
They both tried to end slavery in southern states.

Answer 1

the answer is A. i am sorry if it is wrong 

Answer 2

One thing that the Missouri Compromise (Compromise of 1820) and the Compromise of 1850 had in common was that "They both attempted to preserve the Union," since the only other option regarding the slavery issue was civil war.