How does the description of how the protesters were treated contribute to the main idea of the text ( story sit-in movement )

How did the size of poland territory change from 1701 to 1772?

What impact did new technologies in the assembly and manufacturing have on the auto industry 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