The Falklands War was about oil fields as well.
It is said in the City of London, if you followed the rise and fall of the share price of the company that owned the foreshore rights for building oil infratructure on the Falklands, you could trace the back-and-forth of the fighting.
That was supposed to be classified information.
The major shareholder of that company was Dennis Thatcher.
It didn't just get her re-elected. It made her husband a fortune at the same time.