Correct Answer: B. Maine
The US Congress passed a law that admitted Missouri to the Union as a slave state AND MAINE AS A FREE STATE.
Answer: 1,039/Smoothed Out Slappy Hours
Explanation: Brainliest? Have a good day! :D
c. It was technically<em><u> illegal</u></em> for the slaves to travel on but its what brought them to freedom and was in their terms like a railroad to the North ..."an escape from slavery."