What is aother name or fertile circle or fertile crescent

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.

warfare was the primary means of cultural transmission in both regions.

john maynrd keynes developed new economic respose to the                           ( b. great depression if the 1930's)