Why was control of mississippi vital to the western settlers

What does the man of the left represent? what does the men on the right represent? why is there a hat on central and south america?

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

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