At least in this case the US copied Europe with it's term extensions (Disney certainly weren't unhappy about it but the notion that Disney drove this is a bit of a myth). And Europe set that term length when the EU unified terms because it set it at the longest length from the member nations at the time, which was Germany's life+70 years.
It's pretty interesting but the current global norm for copyright duration is, due to circumstance, almost entirely based on German norms.
It's pretty interesting but the current global norm for copyright duration is, due to circumstance, almost entirely based on German norms.