The last one I think forgive me if I’m wrong!
Answer:
It is A
Explanation:
The definition of protectorate is: a state that is controlled and protected by another.
Also using what we know we can take out D because as it says they are not involved in daily policy making so they cant be directly controlling them. B is out because in the clues it never mentions anything about how they rule over multiple places, and C could work but it is a sphere of <em>influence</em> that means that they wouldn't <em>have</em> to answer to them.
The date was July 9, 1755
