Philips patented the cassette tape in 1964. It was created to replace the larer reel to reel tapes. In the beginning companies were slow to accept the format for commercial use.
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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.