Xiao Ran's talk of a decisive battle was no alarmist exaggeration. The situation had now become even more complicated. The confrontation between the Earth Alliance and the Free Alliance could be considered an internal matter of Earth, but no other faction was willing to watch the Earth they had invaded be completely occupied by the stronger Free Alliance.
The various factions had made no contact with one another for this operation, yet they had all emerged at the same time just as the Free Alliance was about to completely take down the Alliance. With ZAFT and the Free Space Force gathered in space, this was also their best chance to eliminate as much of the Free Alliance's Military Strength as possible.
So once war broke out, it would absolutely become a massive melee between every faction. Seeing the Free Alliance surrounded like this, none of them would give up such a heaven-sent opportunity. They would do everything possible to keep Free tied down.
By this point, the foolish Alliance was, in the eyes of every evil force such as Doctor Hell and the Glast Army, a burden holding all of Earth back. Yet it was also indispensable to them. Even these factions had never imagined that one day, they, who sought to invade Earth, would step forward to aid the Earth Alliance.
Whether the Earth Alliance had contacted the Glast Army remained unknown for now, but with Earth's situation affecting everything as a whole, once one faction stepped forward, all the others would follow suit to fish in troubled waters. They absolutely could not stand by and watch the Earth Force, which held Earth back, be destroyed by the Free Alliance.
They knew very well that the Free Alliance was far, far stronger than the Earth Alliance. In particular, the