The sockets have a lingering time after they close. They may keep the port taken for a litte while after the execution of your application, so they may send any unsent data. If you wait long enough the port will be released and can be taken again for another socket.
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.