-Cities experienced a building boom, creating many beautiful and useful structures.
-Cities worked to improve the conditions of housing, who worked in dingy factories and lived in cramped tenements
-American streets followed a grid pattern, with builders getting rid of anything in the way, though city officials lacked a master plan
-Factories occupied the best sites near waterways, where goods could be transported and chemicals dumped
-Tenements were built to maximize space, producing high population densities
-However, engineers also planned richer communities with mansions and townhouses, with public architecture such as a public library, fine arts and science museums, and an orchestra
-Civic architecture used fireproof materials, expanded foundations, and internal metal construction to build offices and factories many stories high
1) 1850 2) America 3) Social