It's important to spend time in a country where the language you are learning is spoken as the main native language and to mix with native speakers. It's also very helpful to take a good language course in an appropriate country. Get advice on the choice of course.
Language represents culture of any country. You are learning language means you're also learning culture of particular country. If you're from non English speaking country, it is very important for you to have knowledge of English language as it is the major language in the world which is used globally.
But if you are from English speaking nation, you might want to learn some other language like Spanish, French, Hindi, German and more. Learning more language means knowing the world better. You'll be able to interact with people from different parts of the world.
You'll be able to develop deep friendship with native people of language you've learned. In case you're going abroad to study and are conducting your education in some other language then if it compulsory for you to learn that particular language. Otherwise, how will you understand what have you been taught?
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.