Help me with this please.

Which source would best a historian understand the effect of the great chicago fire on families? a. a biography of a chicago family displaced by the fire b. a letter from a grandmother in new york to her family in chicago c. a newspaper editorial about families who were displaced d. an oral history dictated by an adolescent who fled the fire

34. in 2009, impaired drivers killed 154 a. child passengers of vehicles b. other motorists c. pedestrians d. none of the above

Demographers can compare a choropleth map to a to understand how geography influences population distribution and there are no a, b,c, or d u have to find it out ur self asap