All color uses peroxide to lift shades to the desired color. If not peroxide they use an acid base. The lighter the color the more lightning power.
Some can lift up to ten shades or more if you hair is black that can take you up to a muted orange.
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.