Functional fixedness: The term functional fixedness refers to a cognitive bias that hinders a person's capability to utilize a particular object or thing only in the way it is being traditionally used. Functional fixedness's concept has been originated through Gestalt psychology.
It can be overcome by attempting recombination, for example, generic parts technique.
In the question above, Cole solved the problem by overcoming functional fixedness.
remove themselves from the occupied countries, as the military power is hugely used to defend the territory. It can prevent and even end invasion, conquest, and subjugation. it think