Which term describes a system in which national and state governments operate in clearly defined, separate spheres of power?

• A. Checks and balances
• B. Dual federalism
• C. Separation of powers
• D. Federal supremacy

Answer: (B)

Dividing authority between the national and state governments into clearly defined, separate spheres describes dual federalism. In this arrangement, each level retains sovereignty in its own domain, like a layer cake where the national government handles areas such as defense and currency, while the states handle areas like education and local law. This separation helps explain why early U.S. policy often kept federal and state actions distinct with limited overlap, reflecting a desire to keep powers clearly delineated.

Other terms describe different ideas: checks and balances is about restraining power among the branches of government; separation of powers focuses on dividing power among the legislative, executive, and judicial branches at the national level; federal supremacy is about national law taking precedence over state law when conflicts arise, not about distinct spheres of power between levels.