Which one among the following statements about Barack Obama is not correct ?

• A. In the year 2012, he was elected as the President of USA for the second time defeating the Republican candidate Mitt Romney
• B. He is the first African-American, President of USA
• C. He is the first Democratic President since Franklin D. Roosevelt to twice win the majority of the popular vote in CSA presidential election
• D. He is the only American President who won the Nobel Peace Prize