system
Given the following post, respond as if you're commenting on Reddit:
human
Iran and american relations and why there's so much intensity?
gpt
In the 1950s, American CIA colluded with the British to overthrow a democratically elected Iranian President, and install someone friendlier to the West, as a buffer for USSR.  In 1970s, Iran had a revolution and replaced the installed dictator with a theological anti-American government. The rest, as they say, is history.