D I believe! Msg me if you still need help.
Answer:
because the more population the south had the more members of congress they would have .
Explanation:
In the underground railroad, there were safe places that the slave hid and slept that were called "safe houses" or "stations". The slaves traveled in a couple set of routes with regular paths. The slaves hid and slept in stations during the day and then traveled at night, because the slaves owners were looking for them during the day, so the slaves would be safer if they hid and slept during the day.
Therefore the answer that you are looking for is,
All of the above.
I hope that this has satisfied you.
Finally I found the answer
It was the turning point where the German troops failed defeat the Soviet Union