Roosevelt had been the vice-presidential candidate in 1920 and so was known nationally. In 1928 he was elected governor of New York . He won most of the primaries in 1932 and so was the front runner by the time of convention.
The Democratic vote in 1860 was split between the Southern Democrats, who were staunchly pro-slavery, and the Northern Democrats, who were less so. Each faction had its own convention and ran its own presidential candidate.
Teddy Roosevelt and William Taft split the Republican votes thereby benefitting Democratic Party candidate Woodrow Wilson. Woodrow Wilson won the 1912 presidential election defeating Progressive Party (nicknamed the "Bull Moose Party") candidate Theodore Roosevelt and Republican Party candidate incumbent President William Taft. In the 1912 presidential election Woodrow Wilson received 435 electoral votes, Theodore Roosevelt received 88 electoral votes, and William Taft received 8 electoral votes. The popular vote totals were Wilson 6,293,152 (42%), Roosevelt 4,119,207 (27%), and Taft 3,483,922 (23%). Socialist Party candidate Eugene Debs received 901,551 (6%) popular votes and no electoral votes.
Ross Perot was the Reform Party candidate in the 1996 presidential election.
There has never been any true third party candidates that have been elected to presidential office. The two main parties are the democrats and the republicans.
Thomas E. Dewey was the republican candidate in 1944
George McClellan
Jimmy Carter.
John C. Calhoun
The Democrats use primaries to choose their presidential candidate. They pick the candidate who has the best chance to win. The popular vote in Democratic primaries is altered by the appointment of "Super-Delegates". This has been a controversial part of their primary process.
Theodore Roosevelt
Sarah Palin for the Republicans Joe Biden for the Democrats
Theodore Roosevelt
lead the nation into war
expansionists
The Southern Democrats Supported Slavery & They Elected John Breckenridge As Their Democratic Presidential Candidate.
Democratic Party candidate Harry Truman won the 1948 presidential election defeating Republican Party candidate Thomas Dewey.
He ran for president in 1904 and won, and again in 1912, but lost.