Anybody need help on the SS exam

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

Which group was responsible for determining the borders of african colonies and later countries

What specific events led richard nixon to resign the presidency