WORLD HISTORY

Detailed explanation-1: -The Immigration and Nationality Act of 1952 (The McCarran-Walter Act) The Immigration and Nationality Act of 1952 upheld the national origins quota system established by the Immigration Act of 1924, reinforcing this controversial system of immigrant selection.

Detailed explanation-2: -The Immigration Act of 1924 limited the number of immigrants allowed entry into the United States through a national origins quota. The quota provided immigration visas to two percent of the total number of people of each nationality in the United States as of the 1890 national census.

Detailed explanation-3: -An Act to limit the immigration of migrants into the United States. The Emergency Quota Act restricted the number of immigrants admitted from any country annually to 3% of the number of residents from that country living in the United States as of the 1910 Census.

Detailed explanation-4: -Senator Pat McCarran (D-Nevada), the chairman of the Senate Judiciary Committee, proposed an immigration bill to maintain status quo in the United States and to safeguard the country from Communism, “Jewish interests", and undesirables that he deemed as external threats to national security.

Detailed explanation-5: -The Immigration and Nationality Act of 1965 amended the Immigration and Nationality Act of 1952 (known as the McCarran–Walter Act). It upheld some provisions of the Immigration Act of 1924, while at the same time creating new and more inclusive immigration regulations.