How long did it take for Proto Indi- European language to develop into so
many different languages?

they died because of a disease during the first spanish colonies.

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.

mutation is when you body morphs to something odd or bad looking (no offense)