The document discusses the concept of political authority. It defines political authority as the power of the government to enact laws and control people's behavior. It examines arguments for and against political authority from philosophers like Thomas Hobbes and anarchists. Hobbes argued that without political authority to enforce rules, humans would be in a state of constant conflict and fear. Anarchists believe societies can govern themselves through communities and markets without a centralized state. However, critics argue communities and markets are not reliable enough to replace the role of the state in maintaining security, resolving disputes, and providing collective services. Overall, the document analyzes different perspectives on why political authority is needed.