Backcountry residents during the revolution were for it, opposing England and its heavy taxation; on the contrary, the Lowland residents were dependent on British subsidies for them to produce rice; therefore they were of a much more conservative outlook on their relationship with England.
The revolution in Haiti took place when a large portion of the islands slave population rose against their colonial masters. Many Americans were concerned that the revolt would inspire slaves in the US to do the same thing.
I believe the answer is: The flurry of investing artificially raised the price of stocks
The value of stock in speculative investing would be depended on the amount of people who buy the stocks rather than the company's performance in the market. This would give the impression that a price for a stock is higher than it supposed to be and weaken the stability in the stock market.
He invented the carpet sweeper
Mostly the reasons were economic. The country's economy was dismembered when it entered the great depression and they had to take care of that. The South used this to reinforce its values because nobody was bothering them since the great depression forced the government to move its focus on something else.