What is one role that third parties have played within the american political party system? a) spoiled the election for one of the two major parties b) overthrown the government and instituted a new regime c) prevented major parties from adopting the ideas of their supporters d) campaigned for and won two presidential elections in the 20th century

The correct answer is A. Third parties have spoiled the election for one of the two major parties or played the "spoiler role." Third parties can "spoil" the outcome of the election by pulling votes away from one of the major parties. For example, in the election of 1912, the Bull Moose party's presidential candidate took votes away from William Howard Taft and made it possible for Woodrow Wilson to win the race.

A) spoiled the election for one of the two major parties

Explanation:

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b.lincoln had the victory he wanted for emancipation

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