How did the Election of 1860 impact the nation?

It was the reason why the Southern States left the Union

Explanation:

The Election of 1860 demonstrated the divisions within the United States just before the Civil War. The Constitutional Union Party was also new; 1860 was the first and only time the party ran a candidate for president. The results of the 1860 election pushed the nation into war.

Explanation:

question 10: the answer is c, to their constituents address a problem.

question 11: i think it would be domestic bills, which deal with american issues only and public bills, which affect the whole nation.