What it could have been

What if Grace survived the conscious transfer? She would have gotten to raise Kiri, live with the clan and be one of the people. She would have been able to see the Omaticaya free of the RDA just like she always wanted. But she also would have seen the sky people return...
What if Trudy survived the war and gotten to live as a human with the Na'vi? Would her and Norm been together forever?
How would the two of the most bad ass women surviving the war change the way of water?