Who did the immigration act of 1924 discriminated against?

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. It completely excluded immigrants from Asia.

The Immigration Act of 1924 limited the number of immigrants allowed entry into the United States through a national origins quota. It also increased the tax paid by new immigrants upon arrival and allowed immigration officials to exercise more discretion in making decisions over whom to exclude.

Explanation:

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the answer for 3 is b and the answer for 4 is d