A two-party system is a form of party system where two major political parties dominate voting in nearly all elections. As a result, all, or nearly all, elected offices end up being held by candidates chosen by one of the two major parties. Under a two-party system, one of the two parties typically holds a majority in the legislature and is usually referred to as the majority party while the other is the minority party. The United States of America is considered a two-party system. The chances for third party candidates winning election to any office are remote, although it's possible for groups within the larger parties, or in opposition to one or both of them, to have an influence