The Dred Scott decision had three important ramifications (results) on the slavery debate. Select all three. The Missouri Compromise was unconstitutional.
Slavery would be banned south of the 36º 30º parallel.
Slavery could not exist south of the Ohio River.
Slaves could never become citizens of the U. S.
Dred Scott is immediately freed from slavery.
Slaves cannot sue in federal court
The North must agree to the fugitive slave act and return any escaped slaves from the the South.