Answer:
A. The president received the authority to negotiate bilateral tariff-reduction agreements with foreign governments.
Step-by-step explanation:
Since in the given situation it is mentioned that in the year 1934 the change in the trade policy enables the manufactured of U.S to restart their business with the foreign distributors so the reason that would increase the U.S exports would be that the president should received the authority in order to negotiate the agreement with the foreign government with respect to the decrease in the bilaterial tariff
Hence, the option A is corrrect