Minority groups rally behind what slogan

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

In this diary only in researching sidney montz or can it be used to research broader subjects

During the 1920’s why did the us policy change