The industrialization created a north that wasn’t dependent on agriculture (farms) for their main source of income, thus they wouldn’t need said slaves to farm and the slavery industry wasn’t seen as a necessity. While the south who had a warmer climate allowed for more farms so they had been slow to industrialization and free labor ( slavery) was very convenient
The correct answer is Maryland
They provided fresh water and fertile soil for farming
Because he wanted to test out the power of the government to break up bad trust