Actually, when the World Alliance was first established, the Twelve Green Halls intended to join. The reason they didn't was because of the Seven Steering Committees of the Hong Alliance. At that time, the World Alliance was within the Seven Rudders of Hong Alliance, even though Ye Qing was the Alliance Leader. However, the Twelve Green Halls clearly saw that the Seven Steering Committees still held the main control position. In such circumstances, the Twelve Green Halls certainly wouldn't join, otherwise wouldn't they be under the control of the Seven Steering Committees of the Hong Alliance?
And now, since the Seven Steering Committees of the Hong Alliance have withdrawn, it's natural for the Twelve Green Halls to want to join the World Alliance. With the strength of the Twelve Green Halls, if they join the World Alliance, they might gradually take control of the organization and enhance their own power. The Twelve Green Halls are playing a good strategic game here.
