alt Hacker NewsIn the US, men have to register for potential draft within a few months of turning 18. Women still exempt. But instituting an active draft wound take an act of congress and be signed by president - very unlikely to pass for the same reason you mention in German - the population likely wouldn’t stand for it.
This current US administration, who didn't win a majority in the first place, is under water on every issue, and is currently on a mission gerrymander everywhere they can in order to not lose congress in a year. What the people are willing to stand for doesn't matter.