It exists in namesake, but not in actuality. The organizations that have been established to support and reinforce free trade actually contain stipulations and loopholes for some barriers. Even NAFTA admits that it removed "most barriers" to free trade.
More and more countries have set up free trade agreements but they only apply to certain countries and not others, and they also apply to certain limited goods and not all goods. Therefore, in reality, free trade does not really exist. 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.