Vessels that take blood away from the heart are arteries, and to the heart are veins Blood vessel carrying blood from lungs to heart is called Pulmonary Vein. There are 4 pulmonary veins. (2 from left lung & 2 from right lung).
They open into the left Atrium.
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.