This document provides an introduction to the study of political science. It defines political science as the systematic study of the state and government, and areas studied include public policy, national politics, political theory, and more. The term "politics" originates from the ancient Greek city-states. The document also defines key concepts in political science, including the state, government, sovereignty, and the distinction between a state and nation. It notes the elements that comprise a state are the people, territory, government, and sovereignty.