Presidents and prime ministers, kings and queens, dictators, generals, philosophers, theologians, and social activists—all have helped to shape the world. The links here from Britannica School highlight some notable world leaders throughout history.
A government is a system of people and rules for managing a community or country. Governments set the laws and make sure the laws are followed. A government can cover a community of many different sizes, including small towns, large cities, counties, states and nations. The United Nations represents the entire world.