The southward advance of native African farmers with Central African crops halted in Natal, beyond which Central African crops couldn't grow - with enormous consequences for the recent history of South Africa.
-- Jared Diamond
   
Jared Diamond   Name:
Jared Diamond
Type:
Author
Nationality:
American
Birth:
September 10, 1937
https://www.nutquote.com/quote/Jared_Diamond