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.
New France, French Nouvelle-France, (1534–1763), the French colonies of continental North America, initially embracing the shores of the St. Lawrence River, Newfoundland, and Acadia (Nova Scotia) but gradually expanding to include much of the Great Lakes region and parts of the trans-Appalachian West.
In muslim society social groups were based on religion
You would most likely settle in Pennsylvania.
Pennsylvania was established by William Penn (and was named after him) with the idea that it should be a haven ( a safe place) for the Quakers who were prosecuted elsewhere and they would feel safe in Pennsylvania.