A mass extincrion. It wiped out 95% of marine life and 70% of land life.
In response to the Berlin wall the United States created the Berlin airlift. Supplies were sent on planes and dropped into Berlin. These supplies included things such as food and water.
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 15th amendment allowed african americana the right to vote.