21 U.S.C. Sec. 951(A)(2) defines the Customs Territory of the United States as including the States, the District of Columbia, and any other area subject to the jurisdiction of the United States. This definition is broad and includes any territory, possession, or other area under the jurisdiction of the United States, such as U.S. military bases, territories and protectorates, as well as the territorial waters of the United States. This definition is applicable to various laws and regulations, such as the taxation of imported goods and the enforcement of trade agreements.