In what ways did the agricultural revolution change human life

Which of the following are examples of limited resources on the part of consumers?

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.

Poland a: nato b: warsaw pact c: not a member of either alliance