Because the majority of the southerns thought it was right, and most of the northerns didn't.
There was a greater need for plantation workers in the South, so the majority of the slaves were there working.
The route was a major issue. The timing was during the Kansas Nebraska Act which was causing a lot of issues with the north and south.
South
south wont slaves the north did not
The South had more than the North, and the abolishment of slavery began in the North. But the South wanted slaves - thus ensued the Civil War.
There was a greater need for plantation workers in the South, so the majority of the slaves were there working.
The route was a major issue. The timing was during the Kansas Nebraska Act which was causing a lot of issues with the north and south.
Slavery was not critical to the success of the economy in the North.
South
south wont slaves the north did not
The South
The South had more than the North, and the abolishment of slavery began in the North. But the South wanted slaves - thus ensued the Civil War.
Well for one the south had slaves. The south grew cotton and tobacco which would die in the north. The North had more industrial buildings and more resources than the south.
Without slaves the south couldn't trade or have as much business then they had with slaves. The north benefited of this because the south was getting more help in building weapons with slaves then they did alone.
One of the slaves that went back to the south after she went to the north is Harriet Tubman. She went back to help other slaves get to the north.
North
They were from The North and the South