Which statement best explains the outcome of the missouri compromise?
a) control of congress shifted to the free states as one free state was admitted to the union.
b) control of congress shifted to the slave states as one slave state was admitted to the union.
c) power in congress was up for grabs as states scrambled for enough votes to secure a victory.
d) power sharing in congress was maintained as one slave state and one free state were added to the union.