Assertion (A) : The Indian Freedom struggle gained mass during the Non-co-operation Movement in 1920.
Reason (R) : A large number of peasants and workers participated in the movement led by Gandhiji.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not a correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.