Why did OPEC (Organization of Petroleum Exporting Countries) raise the

Why did OPEC (Organization of Petroleum Exporting Countries) raise the price of oil throughout the 1970s?

A) The United States had supported Israel during the Yom Kippur War in 1973.
B) The United States had been drilling their own oil and no longer needed sources from the Middle East.
C) The United States had pushed for the development of alternative sources of energy.
D) Japan had threatened a boycott of all oil exhumed from the Middle East.

ANSWER
Answer: A