And if ever trade with Cuba of many of the countries the US is at war with, you will face criminal charges even long after you have given up your green card.
Hong Kong, Singapore, Switzerland. Get yourself a permanent residency in at least one of those three.
Singapore permanent residents are required to do 24 months of military service, and in addition, show up for annual refresher training every year until they turn 40. I'm currently an American expat who has to file a 1040 once a year, and I would gladly continue doing that rather than spend a bunch of my time in the Singaporean military...
I thought that was only for the children of PRs. First generation immigrant citizens and PR do not have to do military service if their over a certain age. And countries with military service requirements have many ways to get out of it.
Hong Kong, Singapore, Switzerland. Get yourself a permanent residency in at least one of those three.