The immigration act of 1965
prohibited us entry for victims of persecution.
restricted european immigration.
was passed to keep america ethnically uniform.
abolished the old immigration quotas.
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Option 4: Abolished the old immigration quotas.

Since the Immigration Act of 1924, immigration was based on a national-origins quota system, which provided immigration visas to 2% of the total number of people of each nationality in the United States, based on the 1890 national census.

The Immigration Act of 1965 abolished those immigration quotas and established a visa system for reuniting immigrant families and attracting skilled labor people to the United States.

answer: idk

explanation: