By 1900 the number of settlement houses in US cities was approximately

A) 10.
B) 100.
C) 200.
D) 1000.

Settlement Houses

Community centers located in urban areas that provided various services, including education and healthcare, to low-income residents, especially immigrants, starting in the late 19th century.

1900

The start of the 20th century, a year signifying the transition from the era of colonial empires to the age of modernity and technological innovation.