The answer is D. All of the Above
Mesopotamia was home to Sumer the first urban civilization in the region, and arguably the first civilization in the world. Sumer was first permanently settled between 5,500 and 4,000 B.C.
MacArthur was a very important military officer who was the one in charge of all American forces during the Korean War between Korea and Japan, which had taken control over entire Korea at the beginning of the 20th century. However, after he had a disagreement with president Harry Truman, he was relieved of his duties.
