New answers tagged indonesia
The problem with the Thesis in Gun, Germs, and Steel is that we have one example of an E-W megacontinent (Eurasia) and one example of a N-S one (the Americas). Africa is a bit small, and vague on E-W vs N-S. The Island comparison probably fails due to the small size of any island, so the different terrain zones are similar.
Top 50 recent answers are included