The International Trade Organization's (ITO)experience with International Legal Protection for Foreign

The International Trade Organization's (ITO) experience with international legal protection for foreign investments is important because

A) it firmly established the Calvo doctrine as a legal mandate.
B) its success established international rules governing FDI.
C) the GATT rules became the prevailing guide since they had a lot to say about foreign investment.
D) its failure reflects a basic conflict that has dominated international discussions about FDI rules to this day.
E) support for its investment articles from American business proved a major reason for the ITO's success in gaining US congressional approval.