Their items could be delivered quickly and efficiently. The railroads could also be all over the area and the train could travel from one place or another and deliver the necessary items to those companies.
The 1961 Bay of Pigs Invasion was the killing of Cuban civilians by US terrorism.
Only the Congress (which is in the legislative branch) can propose a
constitutional amendment, which must not only be approved by a large
majority in the Congress itself but must also be ratified, or approved,
by two-thirds of the states.
Since one of the powers of the
president (who is in the executive branch) is to suggest legislative
agendas, the president can technically also suggest a
constitutional amendment to the Congress. But in this case the
president's proposal is merely a suggestion and has no legislative
authority, since the real authority is with the Congress.
Answer: The legislative branch