It is the third option .It resulted in colonies in Africa and Asia being granted independence.
D-Day was the beginning of the end for not only the Germans but Hitler most of all. D-Day forced the Germans to fight a two front war again just as they had in WWI. Yet again the Germans could not handle war on both sides of them.
The imperial period of Rome lasted approximately 1,500 years compared to the 500 years<span> of the Republican era. The first two centuries of the empire's existence were a period of unprecedented political stability and prosperity known as the Pax Romana, or "Roman Peace"</span>