Seems a bit off to study something in order to draw lessons that is highly influenced by the own behaviour.
Sure, if there were a second China that would fill the role China is currently playing in easing the effect of the sanctions, they should be alright. But who should that be?
I think the poster meant the party the Left.
While technically no proper part of Western Germany, you still might want to check out this.
This is something that you can find in discussions on here.