Answer:
I hope it's helpful.
Explanation:
Federalism is the system of government in which sovereignty is constitutionally divided between a central governing authority and constituent political units. It is based upon democratic rules and institutions in which the power to govern is shared between national and state governments, creating a federation.
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The strategy of "containment" is best known as a Cold War foreign policy of the United States and its allies to prevent the spread of communism after the end of World War II.
The answer b is the correct answer choice
