As a result of the westward expansion of the United States

The result's of the westwards expansion of the United states was debates about the fate of slavery in the West, increasing tensions between the North and South that ultimately led to the collapse of American democracy and a brutal civil war

Explanation:

option a

explanation:

to cleberate the end of their war

lincoln won 212 electoral votes to mcclellan's 21 votes, and lincoln beat mcclellan. is the main reason lincoln won in 1864.