Because it was in memory of all of the people that had died.
Napoleon was very beneficial to the status of the church during his reign, He tried very hard to get back the belief of the people in the church and its authorities, and in general he managed to do it. While this was very beneficial and very fondly viewed by the church, the background of this action of Napoleon was to make the French society more unified, and the faith in Christ seemed like a logical solution for him. It has be said that it was a successful mission.
Answer:
The Blitz was a German bombing against the UK in 1940-41
Explanation: