Answer:
The law of supply and demand, one of the most basic economic laws, ties into almost all economic principles in some way. In practice, supply and demand pull against each other until the market finds an equilibrium price.
Explanation:
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Over the years, countries have found many reasons to regulate foreign trade. Many countries restrict imports in order to shield domestic markets from foreign competition. ... Countries use tariffs to raise revenue and to protect domestic industries from competition from cheaper foreign goods.
