Draw a movable canvas on Jpanel?

The fact you don't want to extend JPanel seems quite weird but it is not unfeasible. Yet you will likely encounter issues at some point because you are mixing lightweight and heavyweight components. You will probably have visual glitches and other display issues.

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.