Maybe
The "Border States" were slave states.
slave states
15 slave states and 19 free states during the American Civil War
So the balance of slave to free states were equal in congress
As more of the Louisiana territory became states, the issue of slavery grew. For example, if a state wanted to enter the Union as a free state, there had to be a slave state to keep the # of slave and free states equal.
West Virginia
Yes but its by votes. Or so they can make the slave states and free states equal by number like Missouri
they made an agreement. there was acertian degrees to slave states and free states. the nourth is the free states and the south is the slave states.
18 states were free states, 15 states were slave states 33 states overall
Missouri was a slave state. Maryland and Kentucky were slave states.
In America there was 11 free states and 11 slave states, before the compromise.
The slaves in the border states, Missouri, Maryland, and West Virginia .