That depends on who you ask. The superficial answer would be "Democrats" and "Republicans".
More to the point, there is the "Ruling Class Party", which includes most of the Dems and Reps, and the "Other Party", which includes the Libertarians, the Tea Party, the various Constitutionalist groups and a good number of the "Independent" and "Decline to State" voters. When and if the "Others" get their acts together and come up with a consistent message, the "Ruling Class Party" will lose. That's why they keep staging phony crises to hide the fact that the Bushes, Kennedys, and Clintons are all actually on the same side.
The two major political ideologies in the US are conservative and liberal. The conflict between these two platforms is the main barrier for progress.
texas, louisana
federalists and the democratic-republicans
AnswerTwo.Democrat and Republican.
Democrats, Republicans
democrate
The two major US political parties are the Democratic Party and the Republican Party.
There are two, the Republicans and the Democrats.
Republican and Democrat
The two major political parties are the Republican Party and the Democratic Party.
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They are Sunni and Shiia
It was in the early 1930s that radical political groups gained support throughout the US. During this time the country was faced with major economical problems and they wanted to survive the Great Depression. Radical political groups provided solutions to dig out of these problems.