Which phrase best completes the list?

How did the voting rights act and the 15th amendment combine to improve individual rights for african americans

What were the terms behind germany's surrender during wwi?

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