Whom did Barack Obama defeat in the 2008 presidential election?

Which animal is the traditional symbol of the Democratic Party? Which cartoonist popularized the elephant and donkey party symbols? What is the nickname of the Republican Party? Which president won the 2000 election after a Supreme Court ruling on the Florida recount? Whom did Barack Obama defeat in the 2012 presidential election? Whom did Donald Trump defeat in the 2016 presidential election? Whom did Joe Biden defeat in the 2020 presidential election? Whom did Donald Trump defeat in the 2024 presidential election?