As part of the executive branch, the vice president

a. advises the supreme court.
b. advises congress.
c. presides over the senate.
d. presides over congress.

lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation: