In 1941, the national defense industry was prohibited from engaging in racial discrimination. this was the result of a. an order issued by the united states secretary of defense. b. a supreme court ruling issued during roosevelt's administration. c. an executive order issued by president roosevelt. d. the national integration of the armed forces act.

C. an executive order issued by President Roosevelt.

Explanation:

The national defense industry was prohibited from engaging in racial discrimination when executive order 8802 was enacted on June 25, 1941 by President Franklin D. Roosevelt. This order helped eliminate racial discrimination, and was an important step toward ending discrimination in all government employment practices. This allowed African Americans to benefit from an industry that had created millions of new jobs recently due to the military buildup that took place during WWII.

c. the king has significantly abused the colonists' rights many times over a long period of time.