Because vaccume cleaners are too heavy! Also to noisy Answer: Witches don't physically fly on brooms, that is an old wives tale created by the Catholic church and mislead peasants to try and make sense of supernatural occurrences, or occurrences that couldn't be proven by any other means at the time.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.