The ministerial changes at the seat of empire left Arthur's influence unimpaired. The variations of national policy rarely reached his sphere. Unwelcome orders he managed to modify or evade. The difficult nature of his duties, the distance of his government from supervision, and the weakness of the free population, enabled him to assume and maintain for many years a discretion all but unlimited. The state of the colony on his arrival has been already noticed. The measures he adopted to coerce and control the convict population, and to subdue the aborigines, will be found in the second volume of this History. He repressed the outrages of the lawless, and restored comparative tranquillity. Under his auspices the chief town, which he found consisting of a few frail dwellings, assumed the aspect of a commercial city. Many, he received in chains, were established in social happiness: many immigrants, who arrived with slender resources, had risen to opulence. A series of forty-seven statistical tables, prepared by the colonial secretary, his nephew, exhibit a progress then almost unexampled. In 1836, the revenue had increased from L16,866 to L106,639; the imports from L62,000 to L583,646; the exports from L14,500 to L320,679; mills from 5 to 47; colonial vessels from 1 to 71; churches from 4 to 18: the population had risen from 12,000 to 40,000; and every branch of public and private enterprise exhibited the same general aspect. It would be absurd to ascribe to Arthur even the main credit of these results: they were the effect of that spirit of industry which ever characterises the native of Great Britain, and which nothing can wholly extinguish. Nor was this prosperity without alloy. The unproductive improvement encouraged, was sometimes unhealthy. The settlers were deeply involved: the valuation of property was raised beyond reasonable calculation. The pleasing delusion was cherished by the members of the government, whose official and private interests concurred to dupe them. Happy were they who sold. Arthur left many who, acquiring his favour by the extent of their outlay, and the vigour of their enterprise, were laden with debts from which they never recovered, and a prey to perpetual solicitude. The great demand for sheep and cattle, created by the establishment of new colonies, gave a temporary respite: flocks were sold at L2 per head, and were purchased in large quantities. These ameliorations were only transient, and the wide regions open to adventure lessened the worth of those properties which had been valued by the farms of Great Britain, not the unpeopled wilds of New Holland.