The US overthrew the democratically elected president of Iran and installed the authoritarian Shah in his place, setting the stage for the Islamic revolution that took place in the 70s.
Not that we didn’t try to instill democracy, but we failed.
Exactly. We tried to install a democracy in another country, through military force, killing hundreds of thousands of civilians in the process. We shouldn’t meddle in the affairs of other countries, even, and especially, if we think we are doing it for noble reasons.