Shatterbelts:
Region endangered by local conflicts within states or between countries(states) in the area, as well as opposing great powers outside the region driven primarily by centrifugal forces
Examples:
Korea as a result of the Cold War (opposing great powers(North and south korea))
Kashmir due to the disputed claims of sovereignty from India, Pakistan, and China
(countries surrounding the territory)
Israel and Palestine because of the disputed territorial claims from the opposing sides
(local conflict within the state)