If all the controls are set correctly, you may have a problem with a little door (called a 'damper') inside the ductwork not opening to allow the air to flow properly. Unless you are mechanically inclined, this is probably a job for a mechanic or dealer.
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.