Not positive, but I believe the answer is A because the wsr of 2812 was also known as the French and Indian war. If this is for a grade, do not use this answer unless you know it is correct.
Answer: Mexico
Explanation: Mexico declared independence from Spain on September 16, 1810, 11 years before the other three countries listed
It's required so that all the powers do not become too powerful. the other powers watch over each other to be sure that the people are "ruled" under a bunch of things, not one. single. ruler. basically