Irredentism
"Irredentism is any political or popular movement that seeks to claim/reclaim and occupy a land that the movement's members consider to be a "lost" territory from their nation's past. Wikipedia"
A parish/borough is also a county.
Answer:
The answer is b
Explanation:
Federalism is the system of government in which sovereignty is constitutionally divided between a central governing authority and constituent political units.