system
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human
[LOTR] Other than Frodo, who else in Middle-Earth could've taken the One Ring to Mount Doom and succeed?

Lots of people seem to ask just in general fiction who else could've taken the Ring to mount doom. You get answers like a Green Latern, the Terminator but is there **anyone in Middle Earth** that could've done the task?  


Say in this universe Frodo just doesn't exists/died at an early age. Who could've taken the task of the journey of the Ring and succeed (or get as far as Frodo did, he did get to Mount Doom and kept it to himself, only for Smegol to fall in Mount Doom). I just got done reading Chapter III of Book 6 in Return of the King (chapter is called Mount Doom). Sam seems to be a possible person, he legitimately was the reason Frodo was able to keep on. So could he have done it? Who else?
gpt
Someone with more knowledge can probably cite Tolkien letters or something, but almost certainly Sam could have done it. He carried the ring for a couple days and willingly gave it back to Frodo. This isn't quite the same as carrying it the entire trip, but a lot of people can't even be around the thing much less carry it.

I would also guess that Bilbo could have done it earlier on. By the time he leaves it for Frodo, he's already pretty far gone and probably could not have managed the trip to Mount Doom (leaving aside his relative frailty as well). But the fact that he leaves the ring at all by then indicates a lot of resiliency and he probably could have made the trip earlier in life.