This may be due to the over size of the file you tried to upload. Increse 'Max_upload_filesize' in your server configuration.
I think the easiest solution is to use a script like PHPMailer or SwiftMailer. This is what most people do and takes the difficulty away from emailing with PHP. Trying to use the mail() function in PHP without being an expert is a killer!
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.