Haskell cabal: I just installed packages, but now the packages are not found?

For a Linux distribution, subtleties about your package manager may come in, of course. (Traces of an old ghc in particular, and an old ~/. Ghc/ directory can be a source of trouble.).

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.