I wanna say A or C
They both seem like they'd work
I would think that the answer would be Brainstorming.
As we all know what brainstorming is I'd think that you'd have to brainstorm all your ideas so you can get a better look at what the subject of the essay should and will be about.
The latest recorded population (2010) that I know of is <span>817,000 people.</span>