Oh its easy just press the sledgehammer tool (picture of the hammer in the grab mode corner) on build mode, and then click them or click one corner of the foundation, hold it down, and drag it along all the peices you want to delete. :).
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.