Which of these organization was not supported by the united states?

The correct answer is: Organization of Petroleum Exporting Countries (OPEC).

The United States did not support the creation of OPEC, as it saw the organization as a potential threat to its own interests in the global oil market. Additionally, the United States did not support some of OPEC's goals, such as reducing oil production in order to increase prices. Instead, the United States has traditionally favored a free market approach to oil production and pricing.

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