What was the greatest challenge cities faced as a result of rapid industrialization in the 1800s?
attracting skilled laborers to work in new and developing factories
convincing factory owners to move their businesses to the cities
establishing shipping for raw materials and manufactured goods
providing enough city services to protect and support new citizens

The greatest challenge cities faced as a result of rapid industrialization in the 1800s was providing enough city services to protect and support new citizens. Option D is correct.

As a result of rapid industrialization in the 1800s there was a dramatic increase in the number of the people from rural areas moving into the cities to find a better life where industries where located. Machines replaced hand labour as the main means of manufacturing, increasing the production capacity of industry tremendously.

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.

d. hip hop

it was originated in the 70s while the harlem renaissance occured in the 1920s