Why did the parliament raise colonists' taxes in the mid-1760's?

How did the enlightenment change attitudes about existing political systems

Who was the leader of the black nationalists in the 1920s?

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