The Populist Party consisted primarily of farmers unhappy with the Democratic and Republican Parties. The Populists believed that the federal government needed to play a more active role in the American economy by regulating various businesses, especially the railroads.
The Progressive Party was a third party in the United States formed in 1912 by former president Theodore Roosevelt after he lost the presidential nomination of the Republican Party to his former protégé and conservative rival, incumbent president William Howard Taft.
The Prohibition Party was founded in 1869. ... During the Prohibition era, the Prohibition Party pressed for stricter enforcement of the prohibition laws. During the 1928 election, for example, it considered endorsing Republican Herbert Hoover rather than running its own candida
This was mostly due to the successful bi-racial organizing of sharecroppers through the Sharecroppers' Union. Unlike open mass organizations like the Socialist Party or the NAACP, the Communist Party was a disciplined organization that demanded strenuous commitments and frequently expelled members.
