The united states is said to have a what kind of party system

What federal law makes marijuana illegal i know it's a schedule 1 drug but what law specifically gives the federal government the ability to arrest or fine you over marijuana i have only been able to find info on the scheduling of the drug but it never says this or that is illegal it just says that it's a schedule 1 drug i need the wording exactly my english teacher says that if i don't have it my paper is null and void

The media have no effect on our socialization. x true ✓ false

Based on the supply graph and the demand graph shown above, what is the price at the point of equilibrium