To access the battery slot, you have to open the underside. Mind you, get an adapter because the Big Muff drain the batteries pretty fast.
Most pedals turn on when you plug them into the amp I think I have the same one just plug it in and see if it turns on... if not they sell those power supply plugs in music stores.
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.