Many poor people in urban areas worked in small factories called slums.
sweatshops.
tenements.
trams.

sweat shop

Explanation:

Because poor people live in the cental area of the city meaning they found jobs in the areas to supurt threir families in the second technology age.  

answer; ///i believe that the correct answer is (b)arches and domes; ///

mosques-hypostyle halls with lots of space.towers called minarets flanks the luck

in 550 b.c.e. cyrus the great, the leader of the persians, conquered the medes and united the iranian people under one ruler for the first time. cyrus became the first king of the persian empire and went on to establish one of the largest empires in world.