Which of the Following Is NOT a Reason That the Organization

Multiple Choice

Which of the following is NOT a reason that the Organization of the Petroleum Exporting Countries was more successful at affecting the price of oil than other commodity cartels?

A) There are a small number of countries with significant oil reserves.
B) Many oil-producing countries have cultural ties to one another.
C) Members were able to strictly enforce compliance with the organization's policies.
D) There are few alternative sources of energy to substitute for oil.