That power is an inherent, exclusive and plenary power of the Congress. Plaintiff cites Hale v. Bimco Trading, Inc., 306 U.S. 375, 59 S.Ct. 526, 83 L.Ed. 771 (1939), and Tupman Thurlow Co., Inc. v. A.W. Todd, 230 F. Supp. 230 (M.D. Ala. 1964), to substantiate its position that the "Buy American" statutes conflict with the Commerce Clause and unduly burden foreign commerce. Both cases are distinguishable.