Your else statement does not reset the background color to its original. The getView method can recycle a view that was previously in your list but is not visible anymore. If the background was changed, then it will still be that background color from when it was originally created, which can depend on your state.
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.