Provide 2 examples of expressed powers within congress.

In Article I, Section 8, the Constitution lists the expressed powers. There is 27 total. Here are two examples of the expressed powers of Congress: 
-The power to tax and spend for the defence and general welfare of the U.S. 
-Promote the sciences and the arts through granting patents and copyrights for inventions and discoveries 

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No, a president can only run 2 times and will not have the chance to go back into office or even become a vice president ever again.

Explanation:

I just explained it above.