Can someone help me with this?

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

What were some economic, social, and political effects that the industrial revolution had on great britain? describe at least one economic, social, and political effect.

China fought for the . the soviet union fought for the . italy fought for the . germany fought for the . the united states fought for the . axis or allies