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G20, international body created in 1999 that provides a forum for strategic economic communication between industrialized and developing countries. The G20 originated as a response to the economic crises of the late 1990s; it expanded on the work of the Group of Seven (G7; known as the Group of Eight [G8] in its political incarnation) by including countries that previously had been left out of the global discussion. The G20 currently has 21 members: 19...