In 1505, Pope Julius II summoned Michelangelo to Rome, but it was to design the pope's tomb, a project that the artist worked on (with many interruptions) for 40 years. It was not completed at the time of his death. It was common for artists of the time to use the faces of wealthy and powerful patrons, or their relatives, as subjects in paintings.
In the religious paintings of the time, you may find whole families who wielded religious/political power portrayed as angels, saints, apostles. It is entirely possible that such a one would be used as the face of Christ, though I could find no certain reference to support the idea. 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.