11 dic 1964 anni - 1965 Immigration and Nationality Act
Descrizione:
The 1965 Immigration or Nationality Act, aka the Hart-Cellar Act, abolished the discriminatory national origins quota system, replacing it with a preference system that was based on skills and family ties to U.S. citizens and permanent residents. It established an annual cap of 270,000 immigrants per year with no more than 20,000 from one country.
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