Ahuge crowd of vietnamese gathered outside the in saigon, hoping to be evacuated and making for a chaotic scene.

It was the U.S. Embassy. Following the withdrawal of U.S. troops from South Vietnam, many of its fled to the embassy in the hopes to escape before the North Vietnamese Army arrives at the capital in Saigon.  Many either fled by plane or traveled to the boarder in Thailand to escape.

c) many feel that their votes do not count eliminate

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.