Answer: William Henry Seward wanted to add to the amount of land that the United States owned.
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.
Sumerian priests and kings helped one another stay in power. The kings respected the priests' rights and powers. The priests declared that the gods had chosen the king to rule. Together, kings and priests created religious ceremonies that supported royal power.