The "Tower of Sour" is a totem pole that you build peice by peice throughout the game. Each peice you collect will automatically turn all pinata's of that type in to their normal harmless form. There are two ways to build up your tower.
1) You can purchase the new block from the general shop. 2) You can charm the charm the pinata to your garden by looking at it's requirements and fulfilling them. More.
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.