Which scenario best illustrates Dwight D. Eisenhower's concerns about the military-industrial complex in the United States?

A. An activist group convinces a company to stop donating to a pro-
war presidential candidate.
B. A missile manufacturer lobbies Congress to build support for
continuing the arms race.
C. Foreign leaders pressure members of Congress to send troops to
defend their borders.
D. An unpopular president sends troops overseas to overthrow several
oppressive dictators.