The National Origins Formula is an umbrella term for a series of qualitative immigration quotas in America used from 1921 to 1965, which restricted immigration...

of 1924, or Johnson–Reed Act, including the Asian Exclusion Act and National Origins Act (Pub. L.Tooltip Public Law (United States) 68–139, 43 Stat. 153...

into law by President Lyndon B. Johnson. The law abolished the National Origins Formula, which had been the basis of U.S. immigration policy since the...

system for establishing those limits, which came to be known as the National Origins Formula. The Emergency Quota Act restricted the number of immigrants admitted...

105 new entry visas. The quota was determined according to the National Origins Formula prescribed by the Immigration Act of 1924, which set immigration...

accurate official estimates of the origins of the colonial stock population as basis for computing National Origins Formula immigration quotas in the 1920s...

the Immigration and Nationality Act of 1965, which abolished the National Origins Formula. Two opium wars with the British lasting from (1839 to 1860) left...

attempt to curtail the immigration of specific groups by using the National Origins Formula. Two factors contributed to the eventual acceptance of the new...

Formula One, commonly known as Formula 1 or F1, is the highest class of international racing for open-wheel single-seater formula racing cars sanctioned...

McCarran–Walter Act) revised the National Origins Formula, again allotting quotas in proportion to the national origins of the population as of the 1920...