From what I've understood about Paypal, international entities are more or less completely separate from Paypal US (hence these sorts of events).
Commonly it was API features that work subtly differently depending on the region of the world you're in, but help pages also end up with completely different URL schemes.
Commonly it was API features that work subtly differently depending on the region of the world you're in, but help pages also end up with completely different URL schemes.