How did the passing of the Missouri Compromise affect the relationship between northern and southern states?

Responses
A It provided a brief relief of the political tension between the North and South.It provided a brief relief of the political tension between the North and South.
B It provided the slave states more power in the U.S. Senate, angering the North.It provided the slave states more power in the U.S. Senate, angering the North.
C It implemented the Fugitive Slave Act, angering northern citizens.It implemented the Fugitive Slave Act, angering northern citizens.
D It united the two in an effort to stop the expansion of slavery into the western territories.

A It provided a brief relief of the political tension between the North and South.