The General Agreement on Tariffs and Trade (GATT) served as an unofficial trade organization for almost fifty years.

GATT operated from 1948 until the World Trade Organization replaced it in 1995—about 47 years. Although it was formally an agreement rather than a fully established international organization, it functioned as the main forum for negotiating trade rules, so it served as an unofficial trade organization for almost fifty years. The correct choice is A) True.

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