Expressed/enumerated/delegated powers: powers of the federal government that are specifically described in the constitution.
Implied powers: powers of the government that aren’t specifically stated in the constitution but assumed to exist because they’re necessary.
Inherent powers: powers that the president and congress need in order to do their job. These powers aren’t stated in the constitution.
Reserved powers: powers of the state government.
The correct answer is that groups of people may be classified in a reasonable way.
This is only for things like statistical data when doing the decennial census or anything similar.
