CKLA Civil War Match Up

I am one of the main issues that caused the U.S. Civil War. What am I?

My job was to help lead enslaved Africans, called passengers, to freedom on the Underground Railroad.

I am an imaginary line between the states of Pennsylvania and Maryland, and I separate where slavery was allowed and not

I took care of my mistress's baby when I was young and escaped from slavery on the Underground Railroad when I was older

I am a very large farm where large amounts of crops are grown. What am I called?

I was the group of southern states that seceded from the United States. What am I?

I was the group of northern states that thought it was wrong for the South to secede from the United States. What am I?

I am the secret way enslaved Africans fled to the North. What am I?

I was elected president because people in the North believed I would not allow slavery to expand. Who am I?

I am a group of stars that helped guide enslaved Africans to freedom. What am I?