The Southwest Asian countries of Saudi Arabia, Iraq, Iran, and Kuwait have this in common:
The Organization of the Petroleum Exporting Countries (OPEC) is known to be a body that was founded in Baghdad, Iraq.
In the signing of an agreement in the year 1960, five countries such as Iran, Iraq, Kuwait, Saudi Arabia and Venezuela were said to be involved. They have the greatest reserves of natural gas and oil in Southwest Asia.
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