You might be interested in past posts on this topic:

• The native americans and several other cultures did not experience the same technological advancements as europe. What has caused this diffrence?
  ^(17 Mar 2013 | 53 comments)
  ^([deleted] gives an overview of the forces that shape technological change in general, and how it applies to Native American cultures.)

• Why is it that western Europe developed technologically so much faster than other places such as Africa/Native Americans etc. ?
  ^(26 Mar 2012 | 40 comments)
  ^(/u/Ahhuatl debates the issue of technological superiority and the causes of European conquest of the Americas.)

You can ask followup questions by posting your questions in the comments with experts tagged to direct questions to them.

You may want to take this one over to /r/AskAnthropology as well as flush out your exact question a little bit more.