What was the Norman Conquest?

The Norman conquest of England was the 11th-century invasion and occupation of England by an army made up of Normans, Bretons, Flemish, and men from other provinces of the Kingdom of France, all led by the Duke of Normandy later styled William the Conqueror.

Explanation:

The Norman conquest of England was the 11th-century invasion and occupation of England by an army made up of Normans, Bretons, Flemish, and men from other provinces of the Kingdom of France, all led by the Duke of Normandy later styled William the Conqueror. 

The answer is C.Islam is a monotheistic religion. and D.Islam was founded on the teachings of Abu Bakr.
Muhammad never claimed to be a descendent of Allah.
and he never taught Islam has roots in Judaism and Christianity.