During the progressive era, ideas about the federal government's rightful function in ensuring the welfare of its citizens altered.
Two levels of authority share jurisdiction over the same territory under a form of government known as federalism. Local concerns are often handled by smaller subdivisions, states, and cities, whereas larger territorial areas are typically managed more comprehensively by an overarching national government.
A few of the enumerated powers include the ability to levy taxes, regulate commerce, create a unified naturalization law, establish federal courts (subordinate to the Supreme Court), create and maintain a military, and declare war.
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