Which group is an example of a commodity organization?
european union
world trade organization
north american free trade agreement
organization of petroleum exporting countries

D.Organization of Petroleum Exporting Countries

Explanation:

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the president of russia is head of state, and of a multi-party system with executive power exercised by the government, headed by the prime minister, who is appointed by the president with the parliament's approval.

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the use of email to replace slower surface mail.