<P> Roosevelt had served as president from 1901 to 1909 , and Taft had won the 1908 Republican president nomination with Roosevelt 's support . Displeased with Taft 's actions as president , Roosevelt challenged Taft at the 1912 Republican National Convention . After Taft and his conservative allies narrowly prevailed at the Republican convention , Roosevelt rallied his progressive supporters and launched a third party bid . With the support of William Jennings Bryan and other progressives , Wilson won the Democratic Party 's presidential nomination on the 46th ballot . Meanwhile , the Socialist Party renominated its perennial standard - bearer , Eugene V. Debs . </P>
<P> Roosevelt had served as president from 1901 to 1909 , and Taft had won the 1908 Republican president nomination with Roosevelt 's support . Displeased with Taft 's actions as president , Roosevelt challenged Taft at the 1912 Republican National Convention . After Taft and his conservative allies narrowly prevailed at the Republican convention , Roosevelt rallied his progressive supporters and launched a third party bid . With the support of William Jennings Bryan and other progressives , Wilson won the Democratic Party 's presidential nomination on the 46th ballot . Meanwhile , the Socialist Party renominated its perennial standard - bearer , Eugene V. Debs . </P>
who ran as the socialist candidate for president in 1912
who ran as the socialist candidate for president in 1912
Eugene V. Debs
Eugene V. Debs