<span>C. John F. Kennedy
hope this helps</span>
It was stock market "speculation" that contributed the most to the Depression of 1920-21, since the value of many companies became incredibly inflated--leading to a "bubble" that eventually burst in 1929.
The slave trade encouraged African nations to wage war and disrupted local cultures and economies. This in turn resulted in a failure to industrialize, making the nations of Africa far more susceptible to European colonization.
The pyramids were mainly used as tombs for their passed Pharaohs. <span>A Sphinx is a mythological creature with the body of a lion and the head of a person. In Ancient Egypt a lot of times the head was that of a </span>Pharaoh<span> or a god. The Egyptians built sphinx statues to guard important areas such as tombs and temples. Mummifying was a way to "preserve" an important person's body, in case they came back to earth in the afterlife.</span>