Yes, they are very safe. The Crock-Pot ® Slow Cooker operates at a low wattage. Depending on the model, the wattages vary from 75 to 300 watts.
This is one of the major benefits of using them, put in your ingredients-go to work and come home to a "home cooked" dinner. 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.