There are parts of the US which would also forbid women from showing their ankles if they thought they could get away with it.
You've probably heard this before, but:
The USA is not a singular nation from the inside. There's a single foreign policy and a single military system and a single treaty negotiator, but on the inside it's 51+ jurisdictions, one of which isn't even based on the same underlying jurisprudence as the others ( https://en.wikipedia.org/wiki/Law_of_Louisiana ).
You've probably heard this before, but:
The USA is not a singular nation from the inside. There's a single foreign policy and a single military system and a single treaty negotiator, but on the inside it's 51+ jurisdictions, one of which isn't even based on the same underlying jurisprudence as the others ( https://en.wikipedia.org/wiki/Law_of_Louisiana ).