T7 Extra Fine Gouache: In what proportions to dilute T7 Extra Fine gouache?

All depends on the effect you want to obtain. The more you dilute it, the more gouache loses its opacity. With a very high dilution, you will obtain watercolour effects.

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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.