Only from badly designed web based mail browsers (i.e. Microsoft ones) ... For sure, Thunderbird (email app.) has no problems at all ....
It shouldn't actually...pop-up blockers simply block pop-ups, but it might be that your email agent is hiding some of the content on the email, so it's not allowed to print.
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.