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 Himalayas and The Huang He River.
Mongol invasion of India, 1306
The Shang Dynasty was sometimes referred as Young Dynasty
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