Which of the following factors has most contributed to the persistence of the two-party system in the United States?

(A) Plurality rules for determining election outcomes
(B) Representation via multimember districts
(C) Proportional representation in legislatures
(D) Constitutional provisions for parties outlined by the framers
(E) The influence and number of interest groups in politics


Ans: (A) Plurality rules for determining election outcomes

Political Science

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