Another anti-foreigner action was the internment camps of world war ii, which would be a good illustration of expulsion.

The correct answer is Japanese.

After the attack on Pearl Harbor by the Japanese military, the United States officially entered World War II. Fearful of another attack and spying by the Japanese government, President Franklin D. Roosevelt passed Executive Order 9066. This resulted in the internment of several thousand Japanese-American citizens during the 1940's.

These camps represented expulsion, as they were often secluded from other cities in the US. These camps were strategically placed in the middle of nowhere in order to protect American citizens.