What issue did the Missouri Compromise resolve?
crossing the agreed border of Canada if Missouri
should enter the Union
an unbalanced number of Southern states if
Missouri entered the Union
an unbalanced number of slave states if Missouri
became a slave state
whether Missouri's slaves should all be given
freedom

one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.

small european communities with shared traditions consolidated into large new states (apex)

the answer to your question is c