The answer is A because if you know who Robert Fulton is, then you know that his steamboat is called Clermont, which makes it the answer.
Explanation:
It refers to a political claim to exclusive control
It also refer to a legal agreement by which another state or states pledge themselves to refrain from interference within the sphere of influence.
The correct answer is Albert Einstein.
Albert Einstein urged President Franklin D. Roosevelt to speed up the process of developing an atomic bomb because of his knowledge regarding Germany's advancement towards the development of this weapon. Einstein was worried that the Germans would be able to develop this weapon before the US, which would result in catastrophic damage to the entire world.
Answer:
on 1492
on the place called Hispaniola