Which of these events happened last? select one: a. germany declared war against russia. b. russia mobilized its army to support serbia. c. france refused germany's request to remain neutral. d. austria-hungary sought germany's support against serbia?

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.

i believe it would be capitalism