What was politically, socially, and economically characteristic of indigenous societies in the Americas

Native American cultures across the United States are notable for their wide variety and diversity of lifestyles, regalia, art forms and beliefs.

answer; i believe the correct answer is prefrontal cortex;

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.