You don't have to go if you REALLY don't want to.
https://en.wikipedia.org/wiki/Conscientious_objection_in_the_United_States
Also, you left out Korea.
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Each of those peoples got a shitty deal at some point, but they're not the only ones. For example, Chinese who worked at building the railroads in the West. They were absolutely 2nd class citizens, but they persevered. Italians, Irish, Polish, Germans who were transported directly from the boat that brought them across the Atlantic to coal mining jobs in Appalachia where they were paid in company 'scrip' money instead of US currency. If they left, that 'scrip' was worthless anywhere else and they would be penniless. They had to live in the company town, rent a company house (shack), buy all their clothing and food from the company store. They lived as captive property, and this went on for decades. Their descendants are still mining coal and living in an economically depressed shithole. Anyone talking about reparations for them for having to live like that that while NYC built itself into a city of skyscrapers on the coal they mined? Nope. And if a reparations law passed, the ultimate irony is they'd be taxed for it.