The correct option is D The Jallianwala Bagh Massacre laid the foundation of the Non-Cooperation movement.
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The Jallianwala Bagh massacre destroyed the faith of many Indians in the British system of justice. The ‘Hunter Commission’ investigated the case and pronounced General Dyer’s act as justified. When General Dyer went back to England, he was honoured with a sword and 26,000 pounds. People throughout the nation were heartbroken.