What additional piece of evidence helps to create the MOST COMPLETE evidence to support the author’s argument that attempting to overturn a lawful election poses a threat to democracy.

B

Explanation:

I just took it on Newsela, hope this helps you.

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.