Since 2000, there have only been five reported cases of this once deadly childhood disease in the united states: diphtheria. today, children are vaccinated before they attend school for this disease.

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.