Answer:
During the 1920s, Congress supported domestic producers with a protective trade policy.
Explanation:
We can infer from the information in the question that during the 1920s, and even in 1930, Congress passed several laws that aimed at protecting American domestic producers from foreign competition.
These protectionist laws were the tariffs that are listed in the question. A tariff is simply a tax on foreign goods, and are the most commonly used protectionist policy.
The plan sought to revolutionize credit and marketing arrangements for staple crops, particularly cotton. A prominent version of the Subtreasury Plan required the federal government to construct warehouses, or subtreasuries, in counties that marketed crops with an annual value of $500,000.
A. The free blacks or D. all of the above.
