Suppose there is a policy debate regarding the United States imposing trade restrictions on imported steel rods:

A senator from a state with several steel-rod factories argues that the United States should threaten to impose a tariff on Chinese steel rods in order to induce the Chinese to remove its tariff on American cars.

Which of the following justifications is the senator using to argue for the trade restriction on steel rods?

a. Unfair-competition argument
b. Infant-industry argument
c. Using-protection-as-a-bargaining-ch ip argument
d. Jobs argument
e. National-security argument