there are tons of other websites that will give you that answer but the main reason was because of slavery issues between the north and the south. the north was anti slavery and the south was pro slavery.
Before the civil war it didn't affect the south, but after the war began the north had all the industrial growth and could produce things needed for fighting a war.
To keep the North and the South together.......
He was fighting against the south so he was with the north fighting against slavery.
South or The Confederacy and the North or The Union
The north and south
They were fighting because they made many disagreements between the north and south.
The South was fighting to keep its independence - and retain the cotton revenues. The North was fighting to restore the Union - and regain the cotton revenues.
What? They did not prevent a civil war, they fought one .
President Lincoln
it doesnt matter the North won!!
The North, Union, and the South, Confederates.
North and South!