Question

how did Rowlatt Act affect the National Movement

Answer 1

rowlatt act is a act that was passed hurriedly by the imperial legislative council , it gave the britishers enormous power to repress the political activities and the detention of political prisoners without trial for two years.
the effect are:
1. rallies were organised, workers went on strike , railway workshops and shops closed down.
2.local leaders were picked up from amritsar, mahatma gandhi was barred from entering in delhi.
3. on 10th april the police in amritsar attacked a peaceful prossesion.

Answer 2

It affect the Non cooperation movements.

it is a non violence movement but due to rowlatt act it somehow turns into voilent.
So the movement was decided to off.