What happened at Amritsar in 1919?
O Indian Sepoy soldiers tried to rebel against British commanders but were put down brutally.
O British troops fired into a crowd of nonviolent Indian protestors, killing hundreds of them.
O Hindus and Muslims clashed violently as colonial authorities stood by without intervening,
O Heavy monsoon rains caused widespread flooding, drowning thousands of Indian peasants,

Respuesta :

Your answer would be the second option.
British troops fired into a crowd killing and injuring hundreds.

https://www.britannica.com/event/Jallianwala-Bagh-Massacre