(A) 1826
(B) ** 1964
(C) 1962
(D) 2020
EXPLANATIONS BELOW
Concept note-1: -In January 1964, Dunham filed for divorce in Honolulu which was not contested by Obama; they were divorced on 20 March 1964, whereupon Ann Dunham was granted sole custody of their son. Obama was forced to leave his PhD program at Harvard University in May 1964 (and received an M.A. in economics from Harvard in 1965).
Concept note-2: -Obama chose to stay with his grandparents in Honolulu to continue his studies at Punahou School for his high school years. In his memoir Obama describes his experiences growing up in his mother’s middle class family.
Concept note-3: -A member of the Democratic Party, he was the first African-American president of the United States. Obama previously served as a U.S. senator from Illinois from 2005 to 2008 and as an Illinois state senator from 1997 to 2004, and previously worked as a civil rights lawyer before entering politics.