During the age of discovery what was a common reason to explore and set out for unknown land

Was the first african american to be appointed to the u.s. supreme court.

Compare and contrast the first and second battles of panipat.

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.