Advanced: Countries came a long way from the beginning of time
The Bolshevik Revolution. Although WW1 was the catalyst that did lead to their downfall.
Answer:
France gave up all claim to all territory in the East. British retained control of Canada and also received Florida from Spain. To compensate Spain for their loss of Florida, France gave them Louisiana.
C. He had not left a strong leader in his place
so he had no security for his empire