Which of the Following Statements Regarding the Military-Industrial Complex Is

Which of the following statements regarding the military-industrial complex is true?

A) Military contractors who receive contracts from the Defense Department are prohibited by law from serving on advisory committees that recommend what weapons should be ordered.
B) This complex has been referred to as a revolving door because people move from job to job within various sectors of the military and corporations.
C) Concern about the far-reaching effects of the complex has diminished since World War II, as more people began to view defense expenditures as a source of economic development.
D) A societal focus on military ideals and an aggressive preparedness for war has decreased over time.