Due to the devastation of WWII the Marshall plan was to help rebuild western Europe economically and financially, because the US wasn't neutral in the war anymore.<span />
I think the last option might be right too
The Great Commoner--for his ability to connect to the common man.
William Jennings Bryan had an ability to speak but also connect to the ordinary American person. He connected to the rural communities and eventually became the leader of the Populist Party and the Democratic Party. He believed in fundamental Christianity, temperance, farming, the common people.
He miscalculated the size of the Earth by more than half.