What are two major explanations for why we have a two-party system in the United States? Why does the two-party system persist in the United States? Explain how the political parties in Europe are very different from our own. Which party system do you prefer, the one in Europe or in the United States? Why?

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Duverger's law states that the "first past the post rule" (which is used in US elections) naturally results in a two-party system, while the proportional representation used in some European countries tends to give rise to multiple parties. This is because a proportional representation system gives 10% of the seats in parliament to the party that receives 10% of the vote. The reward for gaining 10% of the votes in a US election is almost certainly nothing at all. Each district is counted separately, and whoever receives a simple majority in that district is elected, with any other candidates achieving nothing.

Another reason for the two-party system in the United States is that there is less political disagreement in the United States than in many other countries. The Republicans and the Democrats are approximately aligned on most major issues. For instance, no one in either party seriously questions the basic premises of capitalism. The far-left of the Democratic Party, who are...

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