Upon revisiting his initial ideas, a researcher determines that the evidence supports a different perspective. What should he do next? Check all that apply.
move ahead by creating an outline of his research assignment
consider whether he ought to go back to find more evidence
think about whether he needs to change his perspective
begin writing a well-supported argument
continue to develop his argument despite the evidence
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He should, Consider whether he ought to go back to find more evidence AND think about whether he needs to change his perspective!

i believe we're not a republic so that is a hard question

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.