ndiskebdiekhwowwhei ndiskebdiekhwowwhei 12-10-2022 History contestada The Louisiana Purchase was an important factor in the development of U.S. trade because it (A) opened new markets among the western Indian nations (B) gave the country complete control of the Mississippi River (C) added numerous French factories in the Louisiana Territory to the U.S. economy (D) facilitated the immediate completion of the transcontinental railroad