Why did the traditional two party system fail in the 1850's what role did third party movements play in heightening sectional tensions during this period?

The traditional two-party system fails in the 1850s due to the Slavery tore apart America's political parties during the 1850s.

Explanation:

Role of Third parties played during this period are:

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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.