I think the map is a little old...Actually, there are more Spanish coming to Argentina, than Argentinian going to Spain in this days (it was the other way around in the 00´s) And Mexico is North America, despite the world thinks that America and North America is USA only...So...Not to trust...

Coca leaves do not get you stoned...It is necessary for living in the Andes, only help you living in the highs...You can drink them as a tea which is really tasty...Coca leaves are very different from cocaine and marihuana