them in letters and science, and
employed every expedient to render those chains which he had forged both
easy and agreeable to them.[*]

[* Tacit. Agr.]

The inhabitants, having experienced how unequal their own force was to
resist that of the Romans, acquiesced in the dominion of their masters,
and were gradually incorporated as a part of that mighty empire.

This was the last durable conquest made by the Romans, and Britain,
once subdued, gave no further inquietude to the victor. Caledonia alone,
defended by its barren mountains, and by the contempt which the Romans
entertained for it, sometimes infested the more cultivated parts of the
island by the incursions of its inhabitants. The better to secure
the frontiers of the empire, Adrian, who visited this island, built a
rampart between the River Tyne and the Frith of Solway; Lollius Urbicus,
under Antoninus Pius, erected one in the place where Agricola had
formerly established his garrisons, Severus, who made an expedition
into Britain, and carried his arms to the most northern extremity of it,
added new fortifications to the wall of Adrian; and during the reigns
of all the Roman emperors, such a profound tranquillity prevailed in
Britain, that little mention is made of the affairs of that island by
any historian. The only incidents which occur, are some seditions or
rebellions of the Roman legions quartered there, and some usurpations
of the imperial dignity by the Roman governors. The natives, disarmed,
dispirited, and submissive, had lost all desire and even idea of their
former liberty and independence.

But the period was now come, when that enormous fabric of the Roman
empire, which had diffused slavery and oppression, together with peace
and civility, over so considerable a part of the globe, was approaching
towards its final dissolution. Italy, and the centre of the empire,
removed during so many ages from all concern in the wars, had entirely
lost the military spirit, and were peopled by an enervated race, equally
disposed to submit to a foreign yoke, or to the tyranny of their own
rulers. The emperors found themselves obliged to recruit their
legions from the frontier provinces, where the genius of war, though
languishing, was not totally extinct; and these mercenary forces,
careless of laws and civil institutions, established a military
government no less dangerous to the sovereign than to the people.
The further progress of the same disorders i