Answer:
Best definition for Federalism
Step-by-step explanation:
As Wikipedia states: "Federalism is a mixed or compound mode of government that combines a general government (the central or "federal" government) with regional governments (provincial, state, cantonal, territorial or other sub-unit governments) in a single political system."
These are known as smaller governments within a state. Example: federal courts (Van Nuys Courthouse), etc. Basically it is referring to their "self-rule"