according to mcclelland,
a. needs are learned, not innate
b. people are motivated by their highest unsatisfied need
c. rewards are tangible, not intangible
d. people can be motivated only by one need at a time

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.

answer; develops policy;