The Republican Party in the United States includes several factions, or wings.. During the 19th century, Republican factions included the Half-Breeds, who supported civil service reform; the Radical Republicans, who advocated the abolition of slavery; and the Stalwarts, who supported machine politics.
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 rival, incumbent president William Howard Taft.
When James Monroe was elected President of the United States, the Federalists died out. There was an "Era of Good Feelings" of one-party rule by the Democratic-Republicans. In the United States presidential election, 1824, four different men ran for President, all as Democratic-Republicans. John Quincy Adams was elected.
The United States Democratic Party is one of the two biggest political parties in the United States of America. The other is the Republican Party, which is the Democratic Party's main opponent. The U.S. also has several smaller political parties known as third parties. Supporters of this party are known as Democrats.