Because of the unrestricted attacks German submarines were making on American ships
Answer:
First though (not part of the anwser) you could put something like I think that Thoma Clarkson's motive to publishing this drawing was to show people in the future what the ship would have looked liked.
Answer:
Sultanate - similar to a monarchy, a government in which the supreme power is in the hands of a sultan (the head of a Muslim state); the sultan may be an absolute ruler or a sovereign with constitutionally limited authority.
Explanation:
Good water flow and a good place to gather food