Which of the following was the most significant move of the 1980s that contributed toward international cooperation among trading nations?
A. Formation of the United Nations Development Programme.
B. Creation of the United Nations.
C. Establishment of the World Trade Organization.
D. Signing of the Montreal Protocol.
E. Negotiation of the General Agreement on Tariffs and Trade.
Answer: E. Negotiation of the General Agreement on Tariffs and Trade.