Final answer:
The type of devolutionary force represented by remote frontiers, isolated villages, rugged topography, and repeated historic invasions is spatial devolution.
Step-by-step explanation:
The type of devolutionary force that can be seen in remote frontiers, isolated villages, rugged topography, and repeated historic invasions is spatial devolution. Spatial devolution refers to the demand for independence and autonomy by regions or people within a state at the expense of the central government. In these examples, the geographic or spatial factors contribute to the desire for separation and self-governance.