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1-04: 哪個民族或國家在將來有機會主導歐洲的統一？

Appreciate all helps from all honored sponsors in all fields

If Europe were unified eventually by an external force, which nation or state would lead this process? Pan-Gaulic? Pan-German nation?Pan-Italian nation? Panhellenic naiton?Pan-Turkic people? Pan-Slavic nation? Pan-Celtic nation?
Please do with your reasons/opinion/ thinking/thought/analysis.