Answer:
Correct answer is Secretary of State
.
Explanation:
Dulles was a famous figure in the American politics, especially during Cold War, and between 1953 and 1959 he was a Secretary of State.
Charles Erwin Wilson, Neil H. McElroy and Thomas S. Gates Jr. were Secretary of Defense during Eisenhower's presidency.
Gates was also Secretary of Navy.
Gettysburg had the highest casualties in history until a world war. Gettysburg is the answer
The great rift valley in east Africa is being shaped by water due to erosion