Geopolitical theories and key concepts explore how geography shapes political power, conflict, and cooperation. This unit examines influential thinkers, spatial concepts like territoriality and borders, and how location and resources affect state behavior and strategies. The unit delves into classical and critical geopolitical theories, important scholars like Mackinder and Spykman, and spatial concepts such as scale and networks. It also covers how physical features, resources, and demographics influence politics, using case studies to illustrate real-world applications.