Bouldering is short non-roped climbing. You climb to a limited height and then either climb down or drop down to landing pads. Though bouldering is shorter climbing it begins at a more difficult level then roped climbing.
Roped climbing is where you climb to a tall height where the use of ropes, harnesses and other equipment is required. In order to rope climb you need to either know how to belay or have someone to belay for you. 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.