How much of their land did Mexico lose in the treaty of Guadalupe hildalgo? A.1/2

B. All

C. None

D. 1/4

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