How might history have been different if the cultures of europe and the americas had never come into contact ?

This is a fascinating question, and one can imagine any number of fantastic scenarios.  Larger and more modernist Native American societies in North America, the Aztecs or Incas with more mechanical cultures, meeting later European invaders on a more even footing.  It's pretty interesting, but the truth is things probably would not have been much different.

The way this small state - large state compromise guards against tyranny is that small states and large states have one note: i am sorry but i was not able to give you the full answer. but i got this answer from