Why do historians construct historical narratives to communicate ideas about the past to others

In duncan v. louisiana, the supreme court ruled that the [blank](fourth, fifth, sixth) amendment could be incorporated to the states. the [blank](equal protection, due process, enforcement) clause of the fourteenth amendment allowed incorporation to take place in this case.

What was one of the main accomplishments of louis ix? a) he was made a saint after his death b) he eliminated trials by jury. c) he called the first french parliament. d) he ended the taxation system.

What factor aided the russians in defeating napoleon's troops?