It was the "Chinese Exclusion Act" of 1882 that excluded an entire ethnic group from immigrating to the United States, partly because of economic fears but also because of blatant racism.
Never make it too the states.
This act gave slave owners legal weapons to capture runaway slaves. it became a big problem to the northerners, or the people who were against slavery. it also pushed a lot of people who felt indifferent on slavery to be against it.
On the teachings of Muhammad and their book called Koran or Kuran.