In which year was Barack Obama president?​

The presidency of Barack Obama began at noon EST (17:00 UTC) on January 20, 2009, when Barack Obama was inaugurated as the 44th president of the United States, and ended on January 20, 2017.

Explanation:

- Eijiro <3

i do not know if this question has options, but a main impact of the federal reserve act of 1913, which created the federal reserve bank, was the international use of the u.s. dollar, which soon became the world's leading currency - particularly during world war i, since many nations around the world asked the united states for money.

d. hip hop

it was originated in the 70s while the harlem renaissance occured in the 1920s