The Missouri Compromise of 1820 involved __________. a. the criteria

The Missouri Compromise of 1820 involved __________.

a. the criteria that no more slave states could be created south of the northern boundary of Missouri
b. Missouri being admitted as a slave state on condition that slavery be phased out over a period of time
c. Maine splitting off from Massachusetts and being admitted as a free state
d. northern and southern congressmen splitting along partisan lines on the issue
e. adroit political maneuvering by John Calhoun, who got the compromise through the Senate

ANSWER
C