Signatures are added by the email client when it creates the email body. Since you are creating the email body through code, you would have to programmatically insert the signature. Just to be clear, you are not necessarily launching thunderbird on the user's machine, you are launching whatever process is associated with the .
Eml file extension. If you want to include the singature from Thunderbird, you could look to see if any of their APIs help, but they look like they haven't been updated in years. You could also give your users the option of setting up their signature within your application.
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.