Natural Boundary: A natural boundary is formed by physical features like rivers or mountain ranges. It often follows existing natural formations rather than being man-made.
Geopolitics: Geopolitics refers to how geography influences politics and international relations. The presence of physiographical features can significantly impact geopolitical dynamics between nations.
Border Dispute: Border disputes arise when two countries disagree about the exact location of their shared border, which may involve physiographical features. These disputes can lead to conflicts or diplomatic negotiations.