The General Agreement on Tariffs and Trade (GATT) was established in:
A) 1870 to protect U.S.industries and decrease world trade. B) 1921 to manage legal and accounting requirements for U.S.tariffs and quotas. C) 1947 by 23 countries to reduce trade restrictions. D) 1973 to increase trade restrictions,after OPEC significantly raised oil prices. E) 1990 to develop a free trade zone across 50 states.