See the need to install and operate a central bank. This was the operation that made sure that the libyans were brought to heed. MG announced years before that he wanted a gold backed dinar for all of Africa
https://www.thenewamerican.com/economy/markets/item/4630-gadhafi-s-gold-money-plan-would-have-devastated-dollar
Can't have that… Once central bank installed you can then use it to wash currency through it so the tracks of your arms deals are somewhat covered. Stevens was just acting on orders…he knew what was going on however he had no power to stop or control. Who did?
Well we all know how that ended