What is an example of buyers competing with other buyers and sellers competing with other sellers in the market for products?

What affected the second industrial revolution have on transportation

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.

Brainliestttme : ) -why is “extremist” a better term for describing the ideology of a terrorist?