According to which psychologist do babies develop ten basic universal emotions between the second and seventh month of life? a) carroll izard b) clark hull c)walter cannon d) richard lazarus

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.