What is the difference between a natural boundary and a political boundary?

Answer

A natural boundary might be something like a river, mountain range or an ocean. These are generally considered to be obstructions which prevent crossing without additional equipment or assistance, such as a boat or horses to carry what you need to cross a mountain range.

A political boundary would be a real or imagined line in the sand that defines the boundary of a nation or state.

For example, Australia's boundary is an ocean and Switzerland's boundary is defined by mountains, these are both physical and natural boundaries. The boundaries of Colorado are all just surveying lines and there really isn't much of a physical boundary involved.

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First answer by Redbeard. Last edit by Redbeard. Contributor trust: 3158 [recommend contributor]. Question popularity: 51 [recommend question].