In 1886, after the arrival of Commodore Perry, the Japanese government lifted its ban on emigration and allowed its citizens to move to other countries. In the years after that, however, the United States made it more difficult for Japanese to immigrate to America. In 1911, the United States Bureau of Immigration and Naturalization declared that only people descended from whites and African Americans could become citizens. The United States Supreme Court upheld this ban in 1922 in the court case Ozawa v. US (for an...