Final answer:
Federalism is a system of government where power is shared between national and state governments, creating a federation. Examples include the United States, Canada, and Germany.
Step-by-step explanation:
Federalism is a system of government that creates two relatively autonomous levels of government, each possessing authority granted to them by the national constitution. It is based upon democratic rules and institutions in which the power to govern is shared between national and state governments, creating a federation. Examples of federalist systems include the United States, Canada, and Germany.