A nation most likely try to limit inexpensive cars from being imported by imposing tariffs on the cars at the border. The correct option is B.
Imports are commodities or services that are taken in from one country to another, whereas exports are goods and services that are produced in the home country and sold to other markets.
As a result, whether you're exporting and importing a commodity (or both) is determined by how you approach the transaction.
Thus, the correct option is B, by imposing tariffs on the cars at the border.
Learn more about importing and exporting
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