The 1859 McLane-Ocampo Treaty, which Benito Juárez signed but was never ratified by the United States Congress, would have given the U.S. extensive transit rights along the same route.
McLane-Ocampoavtalet, som Benito Juárez undertecknade 1859 men som aldrig ratificerades av USA:s kongress, skulle ha gett USA ensamrätt till denna rutt.