Media conglomerates do not control much of the advertising:
a. on the internet.
b. on the radio.
c. in magazines.
d. in newspapers.

answer; proximity;

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; continous;

answer; american middle class;