I would say B, I'm not fully sure.
The U.S. used every form of media to promote propaganda, including radios, posters, leaflets, comic books, movies, magazines, newspapers.
Hope this helps! Good luck :)
It spurred the growth of suburban by making it easy for people to travel in and out of cities from their suburban homes. 3>
The Persian empire was in existence at the same time as ancient Egypts late period. Hope this helps.