It simply means a political system where each stare or region has a little control over what happens, but they still answer to the federal government, for their actions
I would say that it's a system of government in which power is divided between a central authority and constituent political units.
Federalism is a political system where power is divided and shared between a national government and state governments. This arrangement allows both levels of government to govern over the same geographical area, addressing local and national issues effectively. It originated in the United States to balance national authority with state sovereignty.
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