How the songhai empire became the strongest empire in african history?

Why and with what consequences did us relations with asia change between the 1840s and the 1930s?

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

How influential do you think athenian democracy was on our representative democracy in the united states?