What text in the paragraph on the previous page states an opinion or something that could not be proven by research?

a. by accepting the election of president abraham lincoln in 1860 and convincing other southern states to do the same

living during the great depression had a major affect on the mentality many people. a good portion of people who lived during that time do not trust banks. this is likely the result of the many widespread bank failures in the 30s that caused people to lose their life savings.

it reintroduced the two-party system.