AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
(C) United States of America
The USA is an example of a two-party system, where power mainly alternates between the two main parties (Republicans and Democrats).
Source: How many parties should we have?, Chapter 4
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The textbook explicitly states: "The United States of America and the United Kingdom are examples of two-party system." India is a multiparty system; China is a one-party system; France is also a multiparty system. Examiners expect the correct option with a brief justification.