19 U.S.C. § 2502

The purposes of this Act are— (1) to approve and implement the trade agreements negotiated under the Trade Act of 1974 [ 19 U.S.C. 2101 et seq.]; (2) to foster the growth and maintenance of an open world trading system; (3) to expand opportunities for the commerce of the United States in international trade; and (4) to improve the rules of international trade and to provide for the enforcement of such rules, and for other purposes.