A person who favored independence from Great Britain would be described as a Patriot.
I believe it was because the government was afraid that they might be spies for Japan, so they thought it was safer to keep them in one place so it would be easier to keep an eye on them. It also stemmed from racism due to the attack on Pearl Harbor and the U.S. fighting against the Japanese in the Pacific.
Answer: If you're underage or possibly if you're still on their insurance
Explanation: