10. The 38th parallel as a dividing line was significant in which proxy war?* Opo
O
a Vietnam
O
b. Afghanistan
c, Korea
d. Cuba

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.