What are two major political parties in the United states?

democratic, and republican

The United States has only two major parties primarily because of the first-past-the-post electoral system. The U.S. single-member district/plurality electoral system requires a party to get a...

Republicans and democrats. How you would define each is subject to change. Most people, I think, vote for the candidate, rather than the party. Some exceptions, of course.

Democratic and Republic

Republican Democrat