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Examen
AP Human Geography Unit 4 Test Review Guaranteed Success
AP Human Geography Unit 4 Test Review Guaranteed 
Success 
State ️️A politically organized body of people under a single government 
What is a frontier? 
A frontier is a region that is not fully controlled by any state and is often sparsely populated or 
unsettled, such as the areas in the early exploration periods of history. ️️ 
What is a buffer zone? 
A buffer zone is a neutral area created between two conflicting states to reduce the risk of military 
confrontation, often...