This document discusses political institutions and the different types of political authority and systems of government. It defines power, the state, and political institutions. It then examines the legitimacy of power and the three types of authority according to Max Weber: traditional, charismatic, and rational-legal. It also discusses coercion. The document goes on to describe different forms of government like democracy, monarchy, and authoritarian systems. Finally, it discusses some key aspects of the American political system such as political parties, interest groups, and political participation.