The second argument of async_read_until should be a streambuf object into which the data will be read . To put it simple, you need to pass a boost::asio::streambuf by reference, not a boost::asio::buffer by value.
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.