The early civilization that built towering ziggurats and kept a record in cuneiform was A) Mesopotamia. Mesopotamia is found in what would now be modern day Iraq and Kuwait, with parts of Syria, Turkey and Iran. It surrounds the Tigris-Euphrates River. It is considered to be a sort of birthplace of civilization. It became a battleground and was conquered by many different peoples.
Human originated from Africa
The answer to the question above is dollar diplomacy.
United States President William Howard Taft instituted an imperialist policy in the early 20th called the dollar diplomacy in which the United States provided economic assistance to Cuba, the Dominican Republic, Haiti, and Nicaragua.
Although there definitely existed "robber barons" who took advantage of a delicate and changing situation, most of these men were mostly well-meaning people who wanted to capitalize on an opportunity, and whose actions increased the welfare of many Americans.