Roman Law above all else they have contributed has been the greatest contribution from the Romans. The Romans built roads, bridges and aqueducts that stand even today, 2000 years later. They also like the Greeks gave importance to education and human civil rights.
As we know they were the world's first superpower, even though Greece built the foundations for Philosophy, Rome developed that into the Philosophy that we have today. Such as the Roman Catholic Church, or the USA's government structure was based off the Roman Republic.
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.