Well of course we may and shall have a different outcome - barring a massive chunk of rock repeating one or other of the cataclysmic events of the past.
So life is temporary, civilizations are but a blink of an eye in the history of this world - who can you be as an inspiration and as a catalyst for an awesome future :) Travel well and may you find that which your Soul seeks for you, Discoveries That Could Rewrite History https://www.youtube.com/watch?v=kcDP9IpiTwE [Circa 2001 underwater city off the western tip of Cuba, NatGeo promised a doco, then entire MSM instead buried the story...]
