The Vice President of the United States has several roles and responsibilities, as outlined in the US Constitution and other sources. Here are some of the key duties of the Vice President:

• President of the Senate: The Vice President is the President of the Senate, which means they preside over Senate deliberations and can cast a tie-breaking vote if necessary.

• Presidential Succession: The Vice President is next in line for the presidency if the President dies, resigns, or is unable to perform their duties.

• Electoral College: The Vice President presides over the receiving and counting of electoral ballots cast in presidential elections.

• Advising the President: The Vice President serves as a key presidential advisor, governing partner, and representative of the President.

• Cabinet Member: The Vice President is a statutory member of the United States Cabinet and National Security Council and plays a significant role in executive government and national security matters.

• Informal Roles: The Vice President may also have informal responsibilities, such as being a spokesperson for the administrations policies, adviser to the President, and symbol of American concern.

Its worth noting that the extent of the Vice Presidents roles and functions can vary depending on the specific relationship between the President and Vice President. However, the Vice Presidents primary constitutional duty is to serve as President of the Senate, and they are also responsible for assuming the presidency if necessary.