The factor that did not contribute to industrial revolution are the people who wanted to maintain feudalism to stay in power. I think the landlords who are used to this system and did not try to adapt wouldn't want that significant change.
Because there was either less supplies or more supplies where there was trade.
I think its A. The Union pushed the Southern armies back to Virginia.
Answer:
it maybe true I think .don't say anything to me if it's wrong!