The branches of physics are the different areas or fields of study of physics. Physics is the science that is responsible for explaining everything that happens in the Universe, that is why it covers a great diversity of areas such as movement, forces, radiation, energy, among others.

Any discussion of the state and government is incomplete without a clarification of the meaning of the term 'society'. Sociologically, a society consist of all the people who share a distinct and continuing way of life and think of themselves as one united people.  It is a group of people with common interest.