Answer: Beginning at the end of the nineteenth century, immigration into the United States rocketed to never-before-seen heights. Many of these new immigrants were coming from eastern and southern Europe and for many English-speaking, native-born Americans of northern European descent the growing diversity of new languages, customs, and religions triggered anxiety and racial animosity.
Fifty years ago, the U.S. enacted a sweeping immigration law, the Immigration and Nationality Act, which replaced longstanding national origin quotas that favored Northern Europe with a new system allocating more visas to people from other countries around the world and giving increased priority to close relatives of U.S. residents.
Explanation: brainlest please