The olmec civilizationa)had poor architectural skills. b)left behind mysterious stone sculptures. c)were the most advanced pre-columbian civilization. d)was not able to trade because of its geographic isolation.

b. they tried to evict the squatters from the area.

so sorry if wrong

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.