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What’s the negative consequences of telegraph ? explain in your own words

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

Brainliesttt ! : ) -global military, political, and psychological responses to terrorism?