Which popular enlightenment idea is reflected in this writing

This researchers data could him determine which of the following types of information about great britain during the industrial revolution

Who were the people that migrated south into india and indus valley

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.