Native Americans agreed to surrender most of the land in what is now Ohio, because of Pinckney's Treaty.
Answer:
This pushed the United States to go into war since cargo ships and non-violent boats were sank for no reason and killed people too
Hope this helps :)
The cotton gin cause mass slave importation to Georgia mostly.
People buying on margins caused the stock market crash.
<u>Explanation:</u>
The prices of the stock had risen first before 1929 which made a lot of people buy the stocks but then all of a sudden the prices of the stocks started falling. This made some people buy more stocks that it would rise further while others sold off their shares. But there was more fall in the value of the stock. There fore there was a lot of sale of shares on that day making stock market crash more.
I believe it is the banking system, that was horrible. people continued to loan money from the bank and even the bank itself was giving away other peoples money, which is now illegal. but back then it was not. the answer may also be the stock market itself! hope this kind of helped!