Everyone has the same power and influence in political decision-making is called what?

 Actual power means the ability to compel someone to do something and is the view of power as a causation. 
The pluralist approach to the study of power, states that nothing categorical about power can be assumed in any community.  Classical pluralism is the view that politics and decision making are located mostly in the framework of government, but that many non-governmental groups use their resources to exert influence

B. it promoted the powers of the executive branch