Two places A and B are marked on the outline political map of India, identify these places with the help of the following information and write their correct names on the lines marked near them:
a. The place where the Jallianwala Bagh massacre happened.
b. The place where Non- Cooperation Movement ended abruptly due to violence.
a. Jallianwala Bagh, Amritsar, Punjab
b. Chauri Chaura, Uttar Pradesh