Marriage no longer get people citizenship. They stopped that due to people abusing it. People would abuse it by paying others to marry them.
People who enter illegally are often allowed to stay and many others are deported. I think it all depends on who is deciding on any particular case, and what sort of day they've had. Expect to wait a long time for a decision and don't be surprised if whoever you are referring to is held in prison at some point while they make a decision.
There are prisons here for such people in this situation, they say it isn't prison but it is really.
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.