This document discusses the key features of states and governments. It defines the four essential features of a state as population, territory, sovereignty, and government. It notes that a state and country generally have the same meaning, referring to a political community with definite boundaries and independent sovereignty. The document also discusses theories on the origin of the state, such as evolving from the family, force, divine right, and social contract theory. It outlines the main purposes of government as maintaining social order, providing public services, ensuring national security, and controlling the nation's economy.