What Did the General Agreement on Tariffs and Trade (GATT)attempt

Multiple Choice

What did the General Agreement on Tariffs and Trade (GATT) attempt to accomplish?

A) decreasing both tariff and nontariff barriers  
B) eliminating taxes on trading goods between Canada,the United States,and Mexico  
C) eliminating tariffs between China and Japan  
D) protecting the exploitation of workers in third world countries