[Himilsillion]

Something that I would not have thought of in my last post is that how would Theoden get uncorrupted from Sauruman? Gandalf would not have been in Rohan to save him. I think that after Aragorn, Gimli, Legolas, and Borromir rescued Merry and Pippin they would go to Minas Tirith. Rohan would lie in ruin and Aragorn would have never gone through the paths of the dead and Gondor might not be able to win on the Plains of the Pellenor. So without Gandalf aiding in the war the war would not have gone as well as it did. The war would have been an easy victory for Sauron and it would distract him enough for Frodo and Sam to get to Mount Doom. Though maybe after Gandalf got his power-up and left Frodo and Sam at the River Poros Gandalf could have gone and aided in the war but, by then Rohan would be gone and Aragorn and company would already be in Minas Tirith and the siege would have already started and all would be lost. The fact that Gandalf would have not been in Rohan would have srewed up the entire war so I think that ever since the begining Gandalf would want all of the Fellowship to aid in the war except Frodo and Sam.