The Star Wars Encyclopedia states that ' they no longer take guidance from the wisdom of the Jedi Knights. No longer known as the clone troopers who defended the Galactic Republic under the leadership of the Jedi Order, the clones were anointed as Imperial stormtroopers.
Just as the Republic was renamed and reorganized into the Empire, the clone troopers were also affected by Palpatine's reforms. In a prolonged speech regarding the downfall of the Jedi Order and the end of the Clone Wars, Palpatine announced that the Republic would be supplanted by a New Order the first Galactic Empire, in which he would rule supreme as its first emperor. Basically when Palpatine turned the Republic into the Galactic Empire, he renamed the clone troopers to Imperial Stormtroopers.įrom the Star Wars Wiki on Clone Troopers:
