The 'divide and rule' policy employed by the English was developed by the . Dutch
French
Spanish
Portuguese

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.

the answer is a. laws were enacted in the aftermath of the plot to make it harder to free slaves,increasing sectionalism