It's a compound expression, so it could be considered a word. Word-delimitation according to orthographic boundaries is a little arbitrary, given that whether spaces are included or not is itself rather arbitrary.
It will instantly bore and confuse all audience members to death. Instead the Prequels should have had more action scenes, perhaps involving a four armed robot that has four lightsabers, or ninja flips everywhere, or a racing scene.
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"trade routes" is two words, btw
i don't have any strong opinion on "trade routes" so i'll leave.