The correct option is C
Barack Obama, as the junior senator from Illinois, announced his candidacy for the presidency of the United States in Springfield, Illinois, on February 10, 2007. On August 27, 2008 he became the nominee of the Democratic Party for the presidential election. of 2008.2 He is the first African-American in US history. UU in throwing himself into the presidency for an important party. On August 23, 2008, the Barack Obama campaign confirmed that Joe Biden of Delaware would be the vice-presidential nominee.
On November 4, 2008, projections indicated that Obama had won the election, making him the President-elect and the first African-American elected as President of the United States. He is the third Senator in office, after Warren G. Harding and John F. Kennedy, to be elected president. His constitutional election to the presidential function was completed with the meeting of the Electoral College on December 15, 2008, and the subsequent certification of the polling station voting conducted during the joint session of the United States Congress on January 8, 2009. Based on the results of the electoral vote count, Barack Obama was declared President-elect and Joseph Biden was officially declared the Vice President-elect of the United States in the presidential elections of 2008.