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 at last come to feel their responsibility to the Commons, or rather to the nation whom the Commons represented.

Those great improvements which have been made in the public service of the British empire since the days of Walpole and Newcastle have gone hand in hand with the perfecting of the system now known as responsible Cabinet government. That system was slow in coming to perfection. It was not till long after Walpole’s day that unity of responsibility on the par of the Cabinet—and that singleness of responsibility which made them look only to the Commons for authority—came to be recognized as an established constitutional principle. “As a consequence of the earlier practice of constructing Cabinets of men of different political views, it followed that the members of such Cabinets did not and could not regard their responsibility to Parliament as one and indivisible. The resignation of an important member, or even of the Prime Minister, was not regarded as necessitating the simultaneous retirement of his colleagues. Even so late as the fall of Sir Robert Walpole, fifty years after the Revolution Settlement (and itself the first instance of resignation in deference to a hostile parliamentary vote) we find the King requesting Walpole’s successor, Pulteney, ‘not to distress the Government by making too