One of the problems in the Ukrainian crisis is that very few Westerners know their history, or if they know it, what they learn is what we call the Russian version of history.
In the long run, Europe will certainly move toward unification. But it will be a process of push and pull, and there will be resistance.
Law and Justice are the most vindictive gang in Europe.
In essence, the tragedy of the Warsaw Rising resulted from a systemic breakdown of the Grand Alliance.