What were the effects of the Jallianwala Bagh Massacre?

After the massacre at Jallianwala Bagh, many moderate Indians abandoned their earlier devotion to the British and became nationalists suspicious of British authority.

It inflamed Indian nationalist fervour, resulting in the start of the non-cooperation movement.

According to many historians, the episode marked a turning point in British dominance over India.

Hence, the effects of the Jallianwala Bagh Massacre include Indian’s abandonment of earlier devotion to the British, stoked increased nationalist, etc.