What led to u. s. immigration laws based on national origin

The Immigration Act of 1924 restricted the fraction of foreigners permitted entrance into the United States through a nationwide origination quota.

Explanation:

The quota provided migration permissions to 2% of the cumulative number of people of each country in the United States as of the 1890 general statistics. It suspended emigrants from Asia. In 1917, the U.S. Congress impersonated the first generally conditional immigration law. The possibility formed over national protection during World War I made it probable for Congress to enact this enactment, and it incorporated various important requirements that flagged the process for the 1924 Act.

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mustafa ataturk thought nationalism in turkey would best be achieved by modernizing the country.