Here is an explanation of tariffs. Since I can't see the statements for this question, you can use the following information to help.
Tariffs are a tax on an imported goods. These tariffs cause the price of foreign goods to increase. Many businesses, especially in the North, like the idea of tariffs because it makes more likely that citizens will buy products made by them rather than buying products made in other countries. Ultimately, a tariff helps to protect American industry/businesses.
Hmmmm I don’t know to be honest
Answer:
The reason that the wartime alliance between the United States and the Soviet Union unraveled is because the United States was against communism but the Stalin wasn't. All of the land occupied by the Soviet Red Army were controlled by communism and Stalin wanted to spread this into Western Europe and West Berlin.
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