In which of the following ways can a leader form an effective change coalition and enabling it? 

1. Leaders should appoint the right set of the coalition team balancing the aspects of power, leadership, credibility, and expertise.
2. Leaders should stay actively engaged with the change coalition team.
3. Leaders should ensure that the change coalition interacts only within themselves and the leaders so that the team can focus on its efforts.

Options :

1. Only 2 and 3
2. Only 1 and 3
3. Only 1 and 2
4. All 1,2 and 3