What were the major factors that led to early Europan, Asian and North African civilisations being so much more advanced than American civilisations. | AskHistorians Archive Observer

What were the major factors that led to early Europan, Asian and North African civilisations being so much more advanced than American civilisations.

by BoonSolo

I'm referring to the time period until European colonisation of America

400-Rabbits

Our FAQ sections on the Civilizations of America and Why is Africa "less developed?" may help you on this topic.