Political science is the Master of Science. Aristotle, the founder of the discipline, called politics "the master science' He meant that almost everything happens in a political context, that the decisions of the polis (the Greek city-state) govern most of other things. Man is called social being. He meets his needs by remaining within society, and on the other hand, develops his personality by remaining within society. These different aspects of human relationships are included in sociology. These different aspects of human relationships are studied through difference branches of social science. They cannot be separated and other cannot be drawn a line of demarcation. The subject that studies these inter-relationships like sociology economics, history and so on cannot be distinguished Political science and history