Select all the correct answers. For what two reasons do countries specialize? A. Countries specialize so that opportunity costs can be increased. B. Countries specialize to excel in the production of specific goods and services. C. Countries specialize to make the most efficient use of their unique set of resources. D. Countries specialize to increase the number of their imported products.​

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