Prior to U.S. immigration restrictions following the September 11 attacks , Japanese immigrants were rejected U.S. citizenship during World War II , for fear of disloyalty following the attacks on Pearl Harbor . What resulted was the government 's preemptive internment of more than 100,000 Japanese immigrants and Japanese American citizens during World War II , as a measure against potential Japanese espionage , constituting a form of racial profiling
September 11 attacks
September 11 attacks
Racial profiling