Why was the Immigration Act of 1924 important?

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:

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

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