In addition to replacing the president if necessary, it's the duty of the vice president to

a. review laws before the president signs them.
b. serve as speaker of the house.
c. preside over the senate.
d. serve as liaison to the judicial branch.

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