Use the passage to answer the question.
What is meant by popular sovereignty
undermining the Missouri Compromise?
OA. It means that it expanded slavery to
the northern free states.
OB. It means that it forced enslaved
people who had escaped to be
returned to a slave state.
O C. It means that it reopened the debate
over the border between free and
slave states.
OD. It means that it upheld the efforts of
the compromise to maintain an equal
balance of free and slave states.