Answer:
d. can protect United States jobs in the protected industry but will also lead to job reductions in other export industries.
Step-by-step explanation:
Import restrictions are restrictions of importation of some kind of goods to the country for the sake of national security, public health protection as well as environmental and morality. Some of kinds of import restriction are full- scale import bans, quotas as well as tariffs and subsidies. And all these are used by government in regulating what comes into and out of the country. It should be noted that for instance, Import restrictions can protect United States jobs in the protected industry but will also lead to job reductions in other export industries.