Previous to the innovations introduced by the Tudors, and which had been taken away by the bill against pressing soldiers, the King in himself had no power of calling on his subjects generally to bear arms.—J. R. Green.
If the writer means us to distinguish, among the innovations introduced by the Tudors, those that had also been taken away, the 'and which' clause defines, and the coordination is right. But more probably the clause conveys independent information; the coordination is then wrong.
[The various arrangements of pueri puellam amabant] all have the same meaning—the boys loved the girl. For puellam shows by its form that it must be the object of the action; amabant must have for its subject a plural substantive, and which must therefore be, not puellam, but pueri. —R. G. White.
Wrong. 'A plural substantive' can yield only the defining clause 'a substantive that is plural'. Now these words contain an inference from a general grammatical principle (that a plural verb must have a plural subject); and any supplementary defining clause must also be general, not (like the 'and which' clause) particular. We might have, for instance, 'Amabant, being plural, and finite, must have for its subject a plural substantive, and which is in the nominative case'. But the 'and which' clause is evidently non-defining; the inference ends at 'substantive'; then comes the application of it to the particular case.
He refused to adopt the Restrictive Theory, and impose a numerical limit on the Bank's issues, and which he again protested against in 1833.—H. D. Macleod.
Wrong. The 'and which' clause is non-defining; none of the three possible antecedents ('Theory', 'limit', 'imposition') will give a non-defining clause.
The great obstacle...is the religion of Europe, and which has unhappily been colonially introduced into America.—Beaconsfield.
This illustrates an important point. 'Of Europe' gives the defining clause 'that prevails in Europe'; the coordination therefore requires that the 'and which' clause should define. Now a defining clause must contain no word that is not meant
