Ok children ....
The main problem with the USA is that it starts
military interventions for ONE reason - that devolves
into a LOT of unachievable reasons very quickly.
We just cannot resist "nation building" - meaning
a massive change in the culture of whichever country.
Kinda-sorta worked after WW2 ... but not anymore.
The Afghanistan we TRIED to invent after Tora Bora
sure SOUNDED great (by US standards) but it was just
NOT gonna happen, not even close. We spent about
20 years coming to that realization. Now it's all
a massive cluster-fuck.
Russia ALSO tried - but suffered the same horrible