Answer:
a. helps worker dislocated by international trade without erecting barriers that impede foreign trade.
Step-by-step explanation:
Trade Adjustment Assistance -
It is a federal program of the government of the U.S. , in order to reduce the damaging impact of imports that are felt by the sectors of the U.S. economy .
There are four company currently , i.e. , for the firms , farmers , workers and the communities .
The workers program is the largest of all , and is administered by the U.S. Department of labor ,
It also helps to dislocate by the international trade without the erection of the barriers of the impede foreign trade .
and the communities by the U.S. Department of Commerce .