On February 10, 2007, he announced his participation in the 2008 US presidential election. In 20081October 4 165438+ was elected president of the United States. Won the Nobel Peace Prize in 2009 on June 9, 2009. In 20 12, he defeated Republican candidate Romney and was re-elected as the president of the United States. 20 17 1.20 officially stepped down as president of the United States.

After eight years of Obama's administration, the American economy turned from recession to recovery, creating a large number of jobs. The annual income of American families reached the largest increase in American history in 20 16.

Carried out medical reform; In diplomacy, he was the first American president to visit China within one year. Successfully promoted the normalization of relations with Cuba and reached a nuclear agreement with Iran; The United States has also signed agreements with nearly 200 countries to deal with climate change.

Extended data:

With the promise of "hope and change", barack obama entered the White House and became the first African-American to win the US presidential election. At that time, the United States was facing the worst financial crisis since the Great Depression in the 1930s.

Obama was formally nominated at the Democratic National Convention, which was the first time in American history that a major political party nominated a black man to participate in the presidential election. Meanwhile, Obama chose Senator Joe Biden as the vice presidential candidate.

The new president promised to close the Guantanamo Bay detention center, a military prison established by the US military at the naval base along Guantanamo Bay in Cuba in 2002. The detention and interrogation of terrorist suspects caused controversy. But until today, it is still open and has become one of the great differences between the new President Trump and Obama.

References:

Baidu Encyclopedia-Barack Hussein Obama