In a federal system of government, power is

In a federal system of government,power is divided.

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power to coin money, to regulate commerce, to declare war

Explanation:

Delegated (sometimes called enumerated or expressed) powers are specifically granted to the federal government in Article I, Section 8 of the Constitution. This includes the power to coin money, to regulate commerce, to declare war, to raise and maintain armed forces, and to establish a Post Office.

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More info copy and paste:  https://www.ushistory.org/gov/3a.asp#:~:text=the%20national%20government%3A-,1.,to%20establish%20a%20Post%20Office.%20Post%20Office. Can I get brainliest