I. Activists gathered at the Gandhi Chowk, despite prohibitory

I. Activists gathered at the Gandhi Chowk, despite prohibitory orders, to protest police high handedness.
II. The police used force to disperse the activists protesting against the building of a huge dam on the river.

1. If statement I is the cause and statement II is its effect
2. If statement II is the cause and statement I is its effect
3. If both the statements I and II are independent causes.
4. If both the statements I and II are effects of independent causes.
5. If both the statements I and II are effects of some common cause.

The activists were protesting against police high handedness, which is given in II.