When did the U. S. government establish the Meat Grading System?

Which describes the persian empire? choose all that are (a) the persian army defeated the athenians at the battle of marathon. (b) the persians avoided using ideas from the peoples they conquered. (c) cyrus allowed conquered peoples to keep their cultures. (d) darius i built a network of good roads for communication. choose all that are

What made the settlement of oklahoma territory different from that of other territories

How do private property rights serve as an incentive in a free enterprise economy ?