Former United States vice president Joe Biden has been announced as the person who will run against Donald Trump.
The winner of the November election will become the President of the United States.
Biden was selected at the Democratic Party’s national convention, which was held predominantly online.
Biden beat 20 other candidates for the postion. Although all of them had withdrawn prior to the convention.
Biden is a US senator and was vice president under former President Barack Obama.
Biden has promised to choose a woman as his running mate.