$matches1 holds the text that matched the first group in the search pattern, but your pattern does not have any groups. Groups are defined with parentheses.
You could get the img tag with regex but if I were you I wouldn't use regex for this.
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.