What resulted in the single bloodiest day in american history at the battle of antietam?
marching troops forward in close order against newer, more accurate weapons
amassing the largest armies ever in one place
confederate troops unexpectedly using guerilla tactics
union troops outnumbering confederate troops 2 to 1

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.