Please note that Mommsen uses the AUC chronology (Ab Urbe Condita), i.e. from the founding of the City of Rome. You can use this reference table to have the B.C. dates
From: The History of Rome, by Theodor Mommsen
Translated with the sanction of the author by William Purdie Dickson
The aim of their policy was that these states should neither decline into utter weakness and anarchy, as had nevertheless happened in Greece nor emerge out of their half- free position into complete independence, as Macedonia had attempted to do not without success. No state was to be allowed utterly to perish, but no one was to be permitted to stand on its own resources. Accordingly the vanquished foe held at least an equal, often a better, position with the Roman diplomatists than the faithful ally; and, while a defeated opponent was reinstated, those who attempted to reinstate themselves were abased--as the Aetolians, Macedonia after the Asiatic war, Rhodes, and Pergamus learned by experience.
But not only did this part of protector soon prove as irksome to the masters as to the servants; the Roman protectorate, with its ungrateful Sisyphian toil that continually needed to be begun afresh, showed itself to be intrinsically untenable. Indications of a change of system, and of an increasing disinclination on the part of Rome to tolerate by its side intermediate states even in such independence as was possible for them, were very clearly given in the destruction of the Macedonian monarchy after the battle of Pydna, The more and more frequent and more and more unavoidable intervention in the internal affairs of the petty Greek states through their misgovernment and their political and social anarchy; the disarming of Macedonia, where the northern frontier at any rate urgently required a defence different from that of mere posts; and, lastly, the introduction of the payment of land-tax to Rome from Macedonia and Illyria, were so many symptoms of the approaching conversion of the client states into subjects of Rome.
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Reference address : https://www.ellopos.net/elpenor/rome/3-10-third-macedonian-war.asp?pg=53