Question

how could non cooperation become a m o v e m e n t

Answer 1

The rowlatt act, followed by jallianwallah bagh massacre and khilafat issue, suffering of people after first world war embittered gandhiji's feeling towards the british. Mahatma gandhi planned to withdraw the nations cooperation from the government by and decided to lauch non cooperation movement

Answer 2

being non-cooperative can become a movement because you could be non-cooperative by wiggling around and not paying attention and wiggling around is a movement