Answer :

Efforts to bring large numbers of jewish refugees from nazi germany to the united states were largely blocked by restrictive immigration laws and opposition from southern Democrats and the State Department.

What are restrictive immigration laws?

Through a national origins quota, the Immigration Act of 1924 set a cap on the number of immigrants who might enter the country. Two percent of each nationality's total population in the United States as of the 1890 census was eligible for immigration permits under the quota. Immigrants from Asia were absolutely excluded.

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