The Union Greenbackers held their convention first and nominated Stephen D. Dillaye of New Jersey for president and Barzillai J. Chambers of Texas for vice president , but also sent a delegation to the National Greenback convention in Chicago that June , with an eye toward reuniting the party . The two factions agreed to reunify , and also to admit a delegation from the Socialist Labor Party . Thus united , the convention turned to nominations . Weaver led on the first ballot , and on the second he secured a majority . Chambers won the convention 's vote for vice president
National Greenback convention
1880 Greenback National Convention
James B. Weaver