The federal government has the power to​

Only the federal government can coin money, regulate the mail, declare war, or conduct foreign affairs. Both the states and the federal government have the power to tax, make and enforce laws, charter banks, and borrow money as well.

Explanation:

the federal government can add or money, regulate the mail, declare war, or conduct foreign affairs. Both the states and the federal government have the power to tax, make and enforce laws, charter banks, and borrow money as well.

declare war, or conduct foreign affairs. These powers make a lot of sense: imagine if Wyoming could declare war on Canada, or Michigan could coin the Michigan Dollar. The exclusive powers of the federal government help the nation operate as a unified whole.

Explanation:

can you post options?

c would be the correct !

hope this !

~bbgluver