Option D, was involved in World War II, is the right answer.
Explanation:
The internment of Japanese Americans that took place in the United States during the Second World War was the enforced relocation and confinement of the Japanese-Americans in the concentration camps. Following this policy, the United States confined around 120,000 Japanese people among this number a total of 60 per cent had the citizenship of the United States. Such action came into being following the order of the then U.S. President, Franklin D. Roosevelt after the Japanese attack on Pearl Harbor. During this time, the United States involved in the Second World War.
