What does a national bank entail

In the United States, a national bank is a commercial bank. The comptroller of the currency of the U.S. Treasury will charter a national bank. ... Internationally, "national bank" is synonymous with "central bank," or a bank controlled by the national government of a country

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.

imma have to go   the third option

sorry if i am wrong hope this

if i am right plz give me brainliest