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 new deal only had impact in northern states
That depends on what you consider to be resistance. Most of them stopped during the 19th century after numerous acts and policies that were widely accepted since everyone wanted to avoid bloodshed. Some would argue that it lasted until the 1920s, when the final acts of attacks were held in countries such as Utah, but this was on a really small scale.
