This exemplifies which of the following practices?

What is the actual question? Did you forget to put a image or a actual question or what? Put it, and I'll try to answer it

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.