What would be an example of a time when you would want to use standard English? in a letter to the editor of a newspaper
in an email to your best friend
in a note you passed in class
in a text message to your mom

the social contract theory

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.