President Franklin D. Roosevelt’s executive order 9066, which authorized the establishment of internment camps for anyone with as little as one-eighth Japanese ancestry following Pearl Harbor, is an example of:

Expulsion.

Explanation:

President Roosevelt's order was an example of expulsion because he was isolating and preventing a certain group from joining in with everyone else. Since the Japanese bombed Pearl Harbor, he did not want anyone with Japanese ancestry to be apart of the country because he believed that they were a danger.

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