Respuesta :

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Below are the choices that can be found elsewhere:

the effect that nativism had on United States immigration policy
   
the preference American industrialists had for Asian workers
 
the need for more workers to complete the railroad
 
America's fear of immigrants from communist countries

I believe the answer should be the effect that nativism had on United States immigration policy

Answer:

It prevented almost all Chinese immigration for ten years

Explanation: