How did zoning laws to reduce the danger from pollution?
a) they required factories to limit their use chemicals.
b) they kept factories outside of residential neighborhoods
c) they relocated factories to rural areas faraway from cities.
d) they establish building codes to reform factory plumbing.

Which of the following world and national events led to a new view of people with disabilities in the us:     a.  world war i and ii veterans with disabilities returned home after the wars.b.  john f. kennedy was elected president and had a sister with a disability.c.  the civil rights and feminist movements.d.  all of the above.