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Difficulty: HardThird-Party Dynamics and Electoral Obstacles

"The fate of third parties in the American system is to serve as policy entrepreneurs rather than governing majorities. When a minor party develops a program that garners significant voter enthusiasm, the major parties face a powerful incentive to preempt this threat. By integrating the minor party's core proposals into their own platforms, the major parties successfully reabsorb the straying factions of their electorate, leaving the minor party without a distinct platform."

Which of the following characteristics of the United States political system is the primary cause of the major-party behavior described in the passage?

  1. A
    The decentralized structure of federalism, which allows state-level party organizations to set independent policy goals.
  2. B
    The federal regulations governing interest groups, which restrict their ability to coordinate campaign expenditures with minor-party candidates.
  3. The incentive for major parties to build broad coalitions to win elections under a plurality-based, single-district system.Answer
  4. D
    The constitutional rule requiring presidential candidates to obtain a majority of the national popular vote to win the presidency.

Answer

The correct option is the one stating that major parties have an incentive to build broad coalitions to win elections under a plurality-based, single-district system.
The correct answer is the incentive for major parties to build broad coalitions to win elections under a plurality-based, single-district system. In single-member district plurality systems, the two major parties must construct broad, catch-all coalitions to secure a plurality of votes. When a minor party gains traction on a specific issue, it threatens to siphon votes away from one of the major parties, which could act as a spoiler. To prevent this and win back those voters, major parties are incentivized to co-opt the minor party's key policy proposals into their own platforms.

Step-by-Step Solution

1
Analyze the provided passage to identify the central political dynamic being described.
The passage describes 'platform co-optation' (or absorption), where major political parties integrate the policy proposals of popular minor parties to reabsorb voters, resulting in the decline of the minor party.
Understanding the core behavior described in the stimulus is necessary to connect it to the correct institutional cause.
2
Evaluate the institutional features of the U.S. electoral system that drive major parties to adopt this catch-all behavior.
The U.S. relies primarily on single-member districts with plurality rule, which creates a two-party system where parties must form broad coalitions prior to elections to secure victory.
This connects the behavior in the passage to the structural incentives of the American electoral framework.
3
Evaluate the distractors to rule out options that present incorrect facts or irrelevant concepts.
Federalism, interest group regulations, and national popular vote rules are ruled out as they either misstate constitutional facts or do not cause the co-optation dynamic.
Ensures that the selected option is uniquely correct and supported by political science principles.

Key Concept

Third-Party Dynamics and Electoral Obstacles
Estimated Time:2m 0s
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Topics

Third-Party Dynamics and Electoral Obstacles

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