You want to know what is exhausting? The history of US imperialism.
You know what is exhaustive? A book like Killing Hope,
https://www.amazon.com/KILLING-HOPE/dp/B007K517VE
Which should be required reading before somebody makes a comment regarding the military and justifying what it does.
The US promotes democracies and would never approve of a dictator
Really?
Have a read...
http://www.amazon.com/KILLING-HOPE-William-Blum/dp/B007K517VE
There's the official narrative, and then there's the shit they aren't telling you, there are covert wars and destabilization behind the scenes.
I couldn't possibly convince you in a line of text, I'd point you to the covert actions behind the scenes of the official narratives being presented.
http://www.amazon.com/KILLING-HOPE-William-Blum/dp/B007K517VE
On Venezuela
https://www.youtube.com/watch?v=SeJsauYlLi4&feature=youtu.be