During a Year,the Government of a Country Imposed a Tariff

During a year,the government of a country imposed a tariff on imported steel.The rationale behind this policy was that lower-priced imports had put the country's established steel industries in jeopardy of closing.This government policy was based on:

A) the declining industries argument.
B) the antidumping argument.
C) the infant industry argument.
D) the national defense argument.
E) the jobs and income argument.