Multiple choice This event proved to Gandhi that India needed independence from the British Empire Amiritsar Massacre (killing of unarmed Indians) Fingerprinting requirement Salt Tax Passport carrying requirement Reveal answer Fill a bubble to check yourself A Correct answer Explanation The Jallianwala Bagh massacre in 1919, where British troops fired on a peaceful crowd, was a turning point that convinced Gandhi that the British Empire could not be reformed and that India needed full independence.