If you think about it, when they meet the distance each has covered is the same. Let T be the time the first person walks. The second person walks T - 30 minutes distance = speed * time 3 m/sec * T = 6 m/sec * (T - 30 minutes) Solve for T.
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.