You can use address ranges to specify to which section to apply the regular expressions. If you leave the end line address out (keep the comma) it will match to the end of file. You can also 'chain' multiple expressions by using '-e' multiple times.
The following expression will just print the port and host value to standard out. It uses back references (\1) in order to just print the matching parts.
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.