D is the best answer for this one or both of them
Between 1066 and 1071 CE, William the Conqueror (r. 1066-1087 CE) led the Norman conquest of England, which lasted five years. The Normans were here to stay thanks to hard-fought wars, castle construction, land redistribution, and scorched-earth tactics. The Norman elite replaced the Anglo-Saxon elite and took over the country's territories, and the Church was restructured as a result of the conquest.
Answer:
In this film the government was trying to tell the people what to do if an atomic bomb was to strike us. At this time they were going through the Korean War so they were probably worried about the suprise or chance of an attack. So they made this video to show the procedure to teach the population what to do if they were hit with an atomic bomb.
Explanation:
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