Islamic slave traders sent african slaves to blank during the period of 900s to the 1400s

At the beginning of wwii, what action by winston churchill influenced hitler’s strategy?

Why was hawaii so important to the united states & why did japan bomb pearl harbor?

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