AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
Option B is correct. The British crackdown — arresting local leaders and firing on peaceful protesters at Amritsar — provoked widespread anger, leading to attacks on banks, post offices and railway stations. Gandhi, seeing violence spread, called off the movement.
Source: The Rowlatt Act, chapter 2
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This is a 1-mark MCQ, so only the correct option with a brief justification is needed. The passage explicitly states that police firing on a peaceful procession provoked attacks on government symbols, and Gandhi called off the movement when violence spread. Options A and D are factually incorrect; Option C is partially true but not supported by the passage as a primary cause.