> different languages emerged because of physical separation. Not always. http://en.wikipedia.org/wiki/Diglossia http://en.wikipedia.org/wiki/Diglossia http:

> different languages emerged because of physical separation. Not always. http://en.wikipedia.org/wiki/Diglossia http://en.wikipedia.org/wiki/Diglossia http://en.wikipedia.org/wiki/Creole_language http://en.wikipedia.org/wiki/Creole_language http://en.wikipedia.org/wiki/Esperanto http://en.wikipedia.org/wiki/Esperanto http://en.wikipedia.org/wiki/Language_change http://en.wikipedia.org/wiki/Language_change