The US government thought that internment camps were necessary for the Japanese descendants and Japanese-Americans because they believed that most of them were spies for Japan, and it was they that leaked information and coordinated the attacks
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For the answer to the question above, the Iberian middle classes were reduced by twenty percent as a result of emigration to New World colonies.
Eurasian populations were decimated by over fifty percent as a result of the spread of the bubonic plague.
Native American societies slightly increased by ten percent from intermarriage with European conquerors.
<span>Native American societies were reduced by ninety percent as a result of European infectious disease.</span>