​Why Is Organization of Petroleum Exporting Countries (OPEC)so Important

Multiple Choice

​Why is Organization of Petroleum Exporting Countries (OPEC) so important?

A) ​They have about 72% of the world's proven crude oil reserves and thus are likely to control most of the world's conventional oil supplies for many years to come.
B) ​They consist of three countries with about half of the world's proven crude oil reserves.
C) ​They are the major players in international policy regarding the implementation of progressive and unconventional resources.
D) ​They control the largest reserves of unconventional resources,including tar sands and shale gas.
E) ​They consume the largest amount of petroleum products in the world thus are likely to control most of the world's conventional oil market price for many years to come.