Which act abolished immigration quotas that limited the number of immigrants from specific countries?
a. the immigration reform act of 1965
b. the mccarran-walter act of 1952
c. the immigration reform and control act of 1986
d. the displaced persons act of 1948

what the first or next guys says

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.

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.