The Congress finds that—

((1)) numerous Indian tribes have become engaged in or have licensed gaming activities on Indian lands as a means of generating tribal governmental revenue;

((2)) Federal courts have held that requires Secretarial review of management contracts dealing with Indian gaming, but does not provide standards for approval of such contracts;

((3)) existing Federal law does not provide clear standards or regulations for the conduct of gaming on Indian lands;

((4)) a principal goal of Federal Indian policy is to promote tribal economic development, tribal self-sufficiency, and strong tribal government; and

((5)) Indian tribes have the exclusive right to regulate gaming activity on Indian lands if the gaming activity is not specifically prohibited by Federal law and is conducted within a State which does not, as a matter of criminal law and public policy, prohibit such gaming activity.