"After Pearl Harbor was bombed, the military feared a Japanese attack on the U.S. mainland and the American government was worried that Americans of Japanese descent might aid the enemy..."
What the government want to do: "As long as my record stands in federal court, any American citizen can be held in prison or camps without trial or hearing." Others wanted the Government to admit that they were wrong and do something about it.
How it affected
The 1944 decision that the Government's racial discrimination by forcing Korematsu into a Japanese interment camp was constitutional was not overturned.
How did it affect the culture of the country?
People that were imprisoned had been farmers in California who were pressured to sell, rock bottom prices and that is now worth millions.