A) regulates the oil production and supply on the world's market
In the short term, the Organization of Petroleum-Exporting Countries (OPEC) has significant influence on the price of oil. ... For example, if OPEC countries are unsatisfied with the price of oil, it is in their interests to cut the supply of oil so prices rise.
The result would be the destruction of the empire and civilization as they knew back then.
7 and 6 were apart of it, also 4