Data from the U.S. census of 1940 was used to round up Japanese Americans and put them into internment camps. https://www.washingtonpost.com/news/retropolis/wp

Data from the U.S. census of 1940 was used to round up Japanese Americans and put them into internment camps. https://www.washingtonpost.com/news/retropolis/wp/2018/04/03/secret-use-of-census-info-helped-send-japanese-americans-to-internment-camps-in-wwii/ https://www.washingtonpost.com/news/retropolis/wp/2018/04/03...