Of course what's he's prosing is a greater political unity which he terms, as many have before him, “the United States of Europe”.
This is not a new idea. Alexander started it. Caesar perfected it. Charlemagne, the emperor for whom the prize is named, achieved it once more in the Middle Ages. Centuries after that Napoleon dreamed of it. And even the unsuccessful Adolf Hitler had vaguely romantic notions back in the 1930's when he nicknamed his train, “Amerika”.