Which of the following is an example of a claim that a historian might make a bout the american civil war

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 impact of enlightenment ideals on the development of economic, political, and religious structures in the western world

What did roosevelt believe was a common cause of both bank runs and the great depression?