What if...? We do not know!
But we do know that the things people did or didn't do in the War made the personalities of those characters and therefore if they did something otherwise their personality would be different.
greetings once more,
lathspell
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'You?' cried Frodo.
'Yes, I, Gandalf the Grey,' said the wizard solemnly. 'There are many powers in the world, for good or for evil. Some are greater than I am. Against some I have not yet been measured. But my time is coming.'
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