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Various doubts regarding economic policy surfaced and prevented the political unification of Europe. |
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Before the political unity of Europe can be really achieved, doubts regarding economic policy must be overcome. |
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Just when Europe was heading towards political unity, various doubts regarding economic policy came to the surface. |
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If Europe could have achieved political unity, doubts regarding economic policy would not have emerged. |
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If only Europe could have achieved political unity, economic unity would, doubtless, have followed easily. |