This
is a theory developed at some length by Dräger & Wünsch
(15);but from the evidence in Chapters 3, 4 and 5, and in paragraph
14 above, it is clear that this is not a valid generalisation.
If one
must be made, it would be more accurate to say that in the Germanic
lands and Eastwards from there, hammered techniques were almost universal,
as they are in the USA and Canada today; while in the Romance-language
area and England both hammering and plucking were used.