(A) 2
(B) 4
(C) 6
(D) ** 8
EXPLANATIONS BELOW
Concept note-1: -On November 4, 2008, Obama defeated the Republican nominee, Senator John McCain of Arizona, making him the President-elect and the first African American elected President. He was the third sitting U.S. Senator, after Warren G. Harding and John F. Kennedy, to be elected president.
Concept note-2: -In 2008, the American people turned to Barack Obama to lead the country through the worst economic crisis since the Great Depression. His North Star was to make the economy work for the middle class and for those fighting to join it.
Concept note-3: -When Barack Obama was elected president in 2008, he became the first African American to hold the office.
Concept note-4: -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.