Geopolitics is the study of how geography affects politics and power between countries. Geopolitics looks at how things like mountains, rivers, oceans, and natural resources shape relationships between nations.

For example, countries with long coastlines and good harbors often become powerful trading nations because ships can easily reach them. Countries with oil reserves gain influence because other nations need that resource. A nation surrounded by mountains might be easier to defend but harder to trade with. Russia's vast size means it shares borders with many countries, which affects its foreign policy. Island nations like Japan or Britain developed differently than landlocked countries because oceans provided both protection and trade routes.

Geopolitical thinking helps explain why countries form alliances, compete for resources, or disagree about borders. When the United States built the Panama Canal, it wasn't just an engineering project. It was a geopolitical decision that made it much faster for American ships to move between the Atlantic and Pacific oceans, strengthening American power.

Today's geopolitical questions include: Who controls shipping routes? Which countries have rare minerals needed for computer chips? How does climate affect where people can live? Understanding geopolitics means seeing how the physical world shapes the political one.