Choose all that apply. evidence of climate changes and conditions that affected early societies are gathered from
a. written records
b. ice core samples
c. tree rings
d. maps

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