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5.1.2 Quiz Political Parties
2 Points
Read the following passage:
If you finish second or third, you're out of luck. This isn't
one of those proportional systems where 10 percent of the
vote gets your party 10 percent of the seats in the
legislature. You need a really strong showing to stay in
power, and that's why the two big parties stay around.
Which factor supporting the two-party system does the passage describe?