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human
[Star Wars] What if Palpatine was forced to execute Order 66 earlier than he originally planned to?

Lets say Arc Trooper Fives was able to reveal Order 66 to the jedi before getting killed. Then Palpatine is forced to execute the order early before the jedi could take action against him. How would this play out with the Clone Wars still going?
gpt
Even at the height of the Clone Wars, Palpatine had the majority of the hearts and minds of the Republic on his side. Granted, it wasn't until his kidnapping and subsequent assassination attempt by the Jedi that he fully secured his position, but he was close. Palpatine would have been able to spin it as something like "I was reliably informed by people loyal to this Republic that a militant extremist arm of the Jedi had begun plans to weaken our great nation from within." We saw hints of this sort of stuff going on already as the Jedi buckled under the pressure of the Clone Wars. Barriss going rogue being the prime example of this. 

People are frightened of the unknown more than anything. And the Jedi with their secluded practices, weird magic powers, deadly energy blades, and the ability to control minds, make a great deal of people very nervous. They would have bought just about anything Palpatine sold to them if he told a convincing enough lie about them going rogue. His trap to destroy the Jedi and secure Sith domination was too intricate, and too well executed for it to fail in this particular series of events. It just wouldn't have been as flawless. 

However, this probably would have resulted in fewer Jedi deaths since the news would have gotten out before Palpatine could squash it. And definitely greater resistance from senators like Bail Organa and Mon Mothma, who would have seen right through the bullshit just like they did in the real version of events. It's possible the Galactic Civil war could have been a slightly shorter affair if more people aligned against the Emperor. Or it might have ended before it began if Palpatine were made aware of his enemies sooner, since he would have had no problem with killing them.