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.
I believe that A is the answer.
It relates to the state government having the power to regulate private industries that affect the common good.
The Soviet Union was geographically huge stretching across Phil's classroom wall map and it consisted of Russian Federation which occupied the largest part, 15 Soviet Republics, for example, Uzbekistan, Kazakh SSR, Georgian SSR, Armenian SSR, Estonian SSR and seven satellite countries in Eastern Europe i.e. Germany, Hungary, Poland, Czechoslovakia, Romania, Bulgaria and Albania which are now independent countries.
