The United States placed a limit on the number of cars that can be brought into the country for sale. This is an example of

a. an import quota.

c. a customs duty.

b. a tariff.

d. a voluntary export restraint.

The correct answer is letter A. an import quota. The United States placed a limit on the number of cars that can be brought into the country for sale. This is an example of import quota. In a specific good or services, their a definite number that limits the import of those goods or services. This is done in order to monitor and regulate the import goods.