How was the amritsar massacre a major turning point in the nationalist movement?

The Amritsar Massacre of April 1919, where British troops killed hundreds of unarmed Indian civilians at Jallianwala Bagh, was a pivotal moment in the Indian nationalist movement. The brutality of the incident galvanized widespread outrage and shifted public opinion against British rule, uniting diverse groups in their demand for independence. It also marked a departure from moderate to more radical approaches within the movement, leading to increased activism and the rise of leaders like Mahatma Gandhi. The massacre ultimately fueled a sense of nationalism and urgency that propelled India toward its struggle for freedom.