INTRODUCTORY CHAPTER I THE NATURE OF POLITICS The Purpose of Government * Sovereignty and Justice The Use of Force Laws and Facts The Need for Change States, Nations and Races Distribution of Power in the State THE PURPOSE OF GOVERNMENT* It is the nature of man to live in communities. He lives in this fashion in every part of the world to-day, and the evidence of history and pre-liistory shows how long he has done so. The reasons for this habit do not concern politics. Psychologists consider that jman is moved by instincts and desires which can only find full satisfaction in community life., and economists point out that efficient production of wealth requires co-operation; therefore there are great advantages to be gained 'by living together, Politics starts with the fact of community life; it dis- cusses the problems which that life creates; it also examines and compares the different kinds of community* The central problem is liberty. When people live in a com- munity they cannot do exactly as they please. Motorists, for example, cannot drive wherever they like without creating disorder; neither can men kill or rob whomever they please without causing society to collapse. But if men were not thus restricted, if they had, in name, the liberty to do what they , liked, they would, in fact, have very little liberty, Much of their energy would be absorbed by the attempt to protect themselves,