Boundary imposed on an area by a conquering or colonizing power that in unconcerned about pre-existing cultural patterns. It ignores the existing cultures and is usually established by a higher authority to satisfy the demands of a super power.

This is an example of which type of boundary?

These boundaries are drawn before a significant number of people actually live in the territory. The Western states of the US would be an example of this.

These boundaries exist where borders are shifting and weak. No state has complete political control of the area.

The Arabian Peninsula, Antartica, and Amazonia are all examples of this type of boundary.