The document defines conflict as an opposition of needs, values, and interests that can occur internally within a person or externally between two or more individuals, groups, or organizations. Conflict in political terms can refer to wars, revolutions, or other struggles that may involve force. The document goes on to discuss different types of conflict including personal conflict and nation-to-nation conflict. It also summarizes three main theories of international relations: liberal theory which believes human nature is good, realist theory which views the world as chaotic with states focused on survival, and radical theory which sees conflict arising from uneven distribution of resources between the rich and poor.