Who was the Vice President of the United States mentioned?

The choice of Mike Pence as the Vice President of the United States is notable because he served under President Donald Trump from January 20, 2017, to January 20, 2021. His tenure included significant political events, such as tax reform and the COVID-19 pandemic response. During his time in office, Pence was involved in numerous domestic and foreign policy initiatives, aligning closely with the administration's agenda.

The other options refer to different periods or contexts. Kamala Harris is the current Vice President as of 2023, Joe Biden was the Vice President under Barack Obama and later became President, and Al Gore served as Vice President under Bill Clinton. Each of these individuals played pivotal roles in their respective administrations but are not the individual mentioned in the question regarding the timeframe when Mike Pence held the office.