Answer: Legal Cartel; 13 National governments
Organization of the
Petroleum Exporting Countries (OPEC) is a legal cartel that
includes
13 national governments. <span>OPEC is a permanent inter-governmental
organization of oil-exporting developing nations that harmonizes and brings
together the petroleum policies of its Member Countries.</span>
The Great Society<span> was a set of domestic programs in the United States launched by Democratic President Lyndon B. Johnson in 1964–65. The main goal was the elimination of poverty and racial injustice.</span>
If someone where to set aside the check of the "Executive Branch". The president would have alot of power and no one could stop him because he has so much authority.
Hope this helps
-Jurgen :D