Hey, guys I need help :P

Which of the following best describe deflation

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

The person who has the job of maintaining order in the house is the sergeant at arms. majority whip. speaker of the house. president of the house.