How were classical american societies different from classical european societies?

Which answer best explains the overall impact of the chicken on native american populations in the new world? negative; it destroyed much needed grain crops neutral; it was not well adopted by native americans insignificant; other animals were more quickly accepted positive; it brought a good source of protein to the native american diet

The articles of confederation allowed congress to: make and borrow money. declare war. create a postal service. all of these choices are correct.

What was going on with south asia before europeans came ?