金本位制
At the 1896 Democratic National Convention in Chicago, the Democrats nominated William Jennings Bryan for president and adopted a platform calling for the free coinage of silver. Gold standard Democrats opposed Bryan and the free silver platform. They formed a new party—the National Democratic Party, or Gold Democrats—which Buckner joined. At the new party's state convention in Louisville, Buckner's name was proposed as a candidate for vice president. He was given the nomination without opposition at the party's national convention in Indianapolis. Former Union general John Palmer was chosen as the party's nominee for president.