When William the Conqueror became King of England in 1066 he introduced a new kind of feudal system into Britain. William confiscated the land in England from the Saxon lords and allocated it to members of his own family and the Norman lords who had helped him conquer the country.
It is A. The cold war rivalry between the two nations in the 1950s because both feared that one would bomb the other leading to the end of the world.<span />
