The correct answer is C) the McCarran-Walter Act of 1952.
The other options of the question were A) the Immigration Reform Act of 1965. B) the Immigration Reform and Control Act of 1986. D) the Displaced Persons Act of 1948.
The act that abolished immigration quotas that limited the number of immigrants from specific countries was the McCarran-Walter Act of 1952.
We are talking about the Immigration and Nationality Act that was approved in the US Senate on June 27, 1952. In a few words, this new Act eliminated the restrictions based on race that were imposed by the US government ion immigrants, since the po¿rovisions of the Naturalization Act of 1790.