C. The partnership between big business and the U.S. armed forces that created a permanent war economy, is the most accurate description of the military-industrial complex.
The military-industrial complex refers to the close relationship between the military establishment, the defense industry, and the government. This partnership involves a vast network of defense contractors, suppliers, and other organizations that work closely with the armed forces to produce weapons, equipment, and other goods and services necessary for national defense. The military-industrial complex has been criticized for creating a "permanent war economy" that relies on the constant production and sale of weapons and military technology to sustain itself. It has also been accused of exerting undue influence over government policy and decision-making, particularly with regard to military spending.