The answer is racial ....
The correct answer is A
Nativist
Nativists were opposed to the influx of immigrants into America. Nativists fears led to the passage of discriminatory roles. the peak of their thoughts is best exemplified in the 1920's when there was escalated intolerant toward immigrants.
I believe that the answer to the question provided above is that US foreign policy became more strict due to the crisis. The strict policy has affected those innocent firms and the cash flow are oppressed
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Im guessing they were called "wagon trains". Apologies if i'm incorrect!
I believe 1 is D because it’s the most one that makes sense