Sort of boring, not very hard, seems glitched up on the harder difficulty levels (I win in 3 secconds after starting 3 wars, and my time is 100 days)

As far as how the economys and politics influence the game, I have no idea. I didnt notice it explained, and I seem to be able to just start a bunch of wars, a natural disaster or two, and you win.

Interesting idea, but i think it needs to be thought out more, fleshed out a bit, possibly revamped, like maybe you could play as a corrupt oil rich nation, you goal is to try and disrupt other nation's oil supplies, and get the cost of oil as high as you can, and gouge the people as much as you can.

start a civil war in a oil rich nation, their production halts, you raise your prices, but dont nuke people of certain political beileifs, or else you might get Embargoed, by certain nations.

Start alliances, (Like opec) and have the assosiated "Cost" of the actions you have in the game, tied to your islands profits. make money and you can buy and sell your enemy with a simple oil embargo.