The convoy system, whereby large numbers of merchant ships were escorted across the Atlantic by a small number of warships, was absolutely essential to the survival of Great Britain in WWII. The "Battle of the Atlantic" as the attacks on the convoys came to be known, was probably the most important battle in the European theatre of War. Had the basic supplies, like food and oil, not got through, Britain would have collapsed.
In addition, the convoys brought much needed war supplies and fighting men from the USA to assist in the eventual return to mainland Europe on D-Day. More.
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.