Says who? Plenty of empires had people living that far without rebellions breaking out. Yeah the US rebelled against Britain but Canada, Australia, and a bunch

Says who? Plenty of empires had people living that far without rebellions breaking out. Yeah the US rebelled against Britain but Canada, Australia, and a bunch of other places didn't. Hell, most of England was more than a couple days away from London for most of English history without breaking away. Let alone a larger country like China.