Final answer:
The City Beautiful movement in 18th-19th century urban planning focused on improving the physical landscapes of cities and aimed to improve the overall wellbeing of city dwellers.
Step-by-step explanation:
The City Beautiful movement played a role in 18th-19th century urban planning by focusing on improving the physical landscapes of rapidly growing cities. It emphasized the creation of public green spaces and the development of more beautiful and practical city boulevards. This movement aimed to improve the overall wellbeing of city dwellers by providing them with accessible and aesthetically pleasing environments. While the wealthy elite could avoid the harsh realities of city life, the City Beautiful movement sought to benefit all citizens by creating a more enjoyable and livable urban environment.