Tea Party candidates running on the Republican ticket in 2010 demonstrate Duverger's law: that minor parties in a first-past-the-post system will usually converge with a major party.

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Duverger's law states that in a first-past-the-post electoral system, minor parties will tend to converge with one of the major parties, rather than maintain an independent existence. The Tea Party candidates in 2010 ran on the Republican ticket, indicating convergence with the GOP.

Tea Party Candidates Running on the Republican Ticket in 2010