I didn't down vote you, but you may find this[1] long read of how CIA and British Intelligence destabilized Iran in 1953. When its democratically elected President Mosadegh was trying to nationalize the Oil resources. Thereby setting a chain of events which might have set it a few decades back at least.

[1] http://www.nytimes.com/library/world/mideast/041600iran-cia-...