What is a political belief system?

Political ideology is a body of thought that defines how and why governments behave or define the way political scientists and others believe they should operate. For example, Karl Marx created a political ideology that when combined by his ideas on Economics was the basis of obtaining the goal of communism. Before the end result could be reached, Marx outlined the why and how this system was a scientific reality. Only time and certain events stood in the way of his ideology and those roadblocks would, based on his ieas on history were necessary and be changed.