The only official task of the vice-president is to
1. advise the president in foreign affairs2.preside over the senate and to vote in case of a tie3.serve as the president's good will ambassador to other countries4. chair government commissions at the president's request

2. preside over the Senate and to vote in case of a tie.

Explanation:

The Vice President of the United States is indirectly elected by the citizens and he is not only an officer of the executive branch but also of legislative branch. He presides over Senate meeting but may not except to vote until a tie-breaking situation occurs. From his selection to the impeachment, all process are present in the Constitution of the U.S.

the growing interconnectedness of the world through communication, trade, and the exchange of ideas is an important theme in the history of the 20th and 21st centuries.

explanation:

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: