Explain how alien grasses, trees, and other vegetation choked out native species in Hispaniola during the Columbian Exchange and what was the significance of this event.

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.

this is a false claim the emancipation proclamtion freed all slaves in the rebillion states