Anyone can be a missionary- if you're asking about Christian missions, God calls all believers to be involved in reaching the world with the Gospel... if you're asking about any other religion's missions, I can't really give too much information about that (for more information about Christian missions, you can go to ntm.org).
The first Buddhist missionaries were called "Dharma Bhanaks" and some see a missionary charge in the symbolism behind the Buddhist wheel, which is said to travel all over the earth bringing Buddhism with it. The Emperor Ashoka was a significant early Buddhist missioner. In the 3rd century BCE, Dharmaraksita—among others—was sent out by emperor Ashoka to proselytizecitation needed the Buddhist tradition through the Indian Maurya Empire, but also into the Mediterranean as far as Greece.
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.