How did the stock market contribute to the start of the Great Depression? It put new limits on stock purchases, which prevented Americans from expanding their wealth by investing. It continued to rise, eventually becoming too expensive for average people to buy. It allowed owners to sell too many shares, which made them lose control of their businesses to incompetent investors. It crashed, causing many Americans to lose a lot of money and fall into bankruptcy.

It crashed, causing many Americans to lose a lot of money and fall into bankruptcy

Explanation:

How did the stock market contribute to the start of the Great Depression? It crashed, causing many Americans to lose a lot of money and fall into bankruptcy.

The Great Depression was a worldwide economic depression that lasted 10 years which began after the stock market crash of October 1929,this lead  into a panic in the Wall street and wiped out millions of investors that by 1933, nearly half of America's banks had failed,the stock market crash destroyed confidence in Wall Street markets and led to the Great Depression.

du boi was considered a radical because he wanted the immediate end for segregation. the biggest different between him and booker t. washington is that, even though washington believed that segregation should be considered illegal, he did not believe at all that a law was needed to keep blacks away from whites and that this would be something natural (to have the races apart) for a long time until society adjusted, while du boi believe that agitation was the only way to end segregation.