User blog comment:Callumthered/Independent Manchuria?/@comment-32656-20120122105029/@comment-32656-20120122140954

The winning powers all considered it rightfully part of one of their allies - China. They would have none of it.

The state only existed because of Japanese troops. It was NOT popular, or strong at all.

And, it's in the way of Soviet ambitions - they will remove it from the scene to further these, no matter what.