Not much. But similar culture with europe, and proximity to it sure made it easier. The other new nations didn't have that advantage, and instead of a poorly managed system ( That DID have the potential to be good, but that's a different discussion), went to no system, and if any new system will be constructed, it will be imposed on those nations.
Facts are facts. People in the FSU suffer now, and suffer a lot. You know it and so do I. I am glad that the Baltics, Poles, and Chechs live better lives, but Russians don't, Ukrainians don't, and the Caucasians CERTAINLY do not.