Why did buying on margin contribute to the Great Depression?

Buying on margin helped bring about the Great Depression because it helped to cause Black Tuesday when the stock market crashed. ... When the stock prices dropped, all the people who had borrowed to buy on the margin were in trouble. They could not repay their loans because the stock prices had not risen.

Explanation:

Buying on margin helped bring about the Great Depression because it helped to cause Black Tuesday when the stock market crashed. ... When the stock prices dropped, all the people who had borrowed to buy on the margin were in trouble. They could not repay their loans because the stock prices had not risen.

Explanation:

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.

i believe that the correct answer is a canadian hero.

explanation: he is celebrated as a national hero in canada for successfully thwarting a united states takeover of canada during the war of 1812.