The US supported the allied powers for quite some time and this was their chance to get in on the action. Because America had been attacked in their homeland, the public went wild. Several federal mobilizations were created to organize the war efforts. Through all this, the general public turned against the Japanese immigrants. Fear overtook them and the Japanese felt the oppression as Executive Order 9066 called for Japanese immigrants to be relocated to internment camps for safety. This was such a big deal as the government had never done anything like this before, and it showed biases from a federal perspective. These internment camps were segregated communities where families built shops and churches. This segregation simply fostered the biases of the community and separated the people due to their ethnicity. Many challenged whether these camps were even acceptable under the constitution. The most recognizable was the Korematsu versus US case of 1944 where the Supreme Court shared that the relocation was only as necessary for national