The Charter of the Alliance included a clause recommended by the American politicians who committed the Latin American countries to promote "conditions that encourage the flow of foreign capital" in the region.American industrialists led an intense lobbying Congress to amend the Foreign Assistance Act of 1961 to ensure that U.S. aid would benefit any foreign supplier, potentially competing, "unless the countries concerned agree to limit their exports to the United States less than 20% of their production. "
In addition, they obtained all purchases, industrial equipment and vehicles, made with this help, return to the United States. A 1967 study showed that the AID 90 cents of every day purchases went to U.S. companies.