Time required to start generating 500-1000 usd per month depends totally on you, but its definitly not a short period and require a lot of hard work here is what you need to do:1- you need to have a lot of hubs (not even less than 300 hub)2- you need all your hubs to be of a quality content and of topics interest people to read.3- you need to be active, reading and commenting on other hubs, letting them know that you are here, but don't try to be spam. People hate spams. You need your comments to be directly related to the hub.4- you need to link you hub to other social media networks5- you need to get hug traffic to your hubs, and not only hug it need to be a hug continous traffic.6- a little of luck won't hert!
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.