The 1947 National Security Act created a single Department of Defense, which encompasses all the branches of the armed forces

Prior to the attack on Pearl Harbor, __________ of Americans believed that the U.S. government should take steps, at the risk of war, to prevent Japan from becoming too powerful.

A. less than a tenth B. less than a fifth C. about a third D. about half E. about two thirds

Besides the president (chief executive), at the top of the federal hierarchy of labor are ______.

a. civil service supervisors b. privately hired managers c. executive political appointees d. senior executive service members