Although the Founding Fathers never intended it to be this way, partisanship and a two party system are significant parts of US politics because they allow for "teams to be formed"--teams that can better get across certain ideas and party platforms to the public. <span />
Because there are only two major parties, US citizens feel that they only have a choice between one party or the other.
Because there are only two major parties, the parties tend to disagree greatly on many issues, taking either one extreme side of the argument or the other.
At times, there have been attempts to create a viable third party, but these parties rarely have enough support to be on an equal footing with the two main parties.
