Lothair’s failure to divorce affected the future of Lorraine.

Evidence

If Lothair had succeeded in divorcing his wife, and had had a legitimate heir, Lorraine might now rank with Spain, France and Germany as one of the great states of continental Europe. — Neil MacGregor, A History of the World in 100 Objects, 851

Categorization

• corroborated: 2 independent passages support this claim — Neil MacGregor, A History of the World in 100 Objects, 851