This is a relatively popular question/category of question. More answers remain to be written. Previous answers of interest include:

• /u/The_Alaskan's response to 'What was the general feeling amongst American citizens when FDR instituted mandatory internment camps for people of Japanese ancestry (some even with American citizenship) after the attack on Pearl Harbor?'
• /u/Georgy_K_Zhukov's response to 'Was there an argument about what to call Japanese internment camps back when they were first implemented?'