USA HISTORY

Detailed explanation-1: -Obama left office on January 20, 2017, and continues to reside in Washington, D.C. His presidential library in Chicago began construction in 2021. Since leaving office, Obama has remained active in Democratic politics, including campaigning for candidates in various American elections.

Detailed explanation-2: -Timeline of the Barack Obama presidency (2016–2017)

Detailed explanation-3: -Barack Obama served as the 44th President of the United States from 2009 to 2017. At his inauguration to the presidency in 2009, Barack Obama was the first African-American to serve as President of the United States.

Detailed explanation-4: -The 2012 United States presidential election was the 57th quadrennial presidential election, held on Tuesday, November 6, 2012. Incumbent Democratic President Barack Obama and his running mate, incumbent Vice President Joe Biden, were re-elected to a second term.