This meaning belongs to "the Monroe doctrine"<span />
The correct answer is "Charlemagne crowned Holy Roman emperor, 800 CE."
The event that belongs in place C on the timeline is "Charlemagne crowned Holy Roman emperor, 800 CE."
In one of the most important events of that time, the pope Leo III crowned Charlemagne as the New Emperor of the Roman Empire. The exact date, December 25, 800 CE. Charlemagne was the King of the Frankish and was the one who could exert the leadership and influence to calm down the situation in Rome. One of the first things Charlemagne did was to improve the education conditions in the Empire.
Answer:
Probably C as that makes sense.
The Allies invaded the Mediterranean because they wanted to remove Italy from axis powers. Axis powers are nations that fought in the WW2 so they basically didn't want Italy to fight in the war.