Low Wages and Poor Working Conditions in Many U

Low wages and poor working conditions in many U.S.trade partners

A) prove that the gains- from- trade arguments of the Ricardian model are true.
B) prove that the gains- from- trade arguments of the Ricardian model are false.
C) are facts emphasized by U.S.labor in its contract negotiations.
D) may be a fact of life,but economists don't care.
E) prove that international trade is exploitative.