The town and coast-dwellers, on the other hand, found their account in the carriage and development of manufactures--vases, weapons, objects of art--which, with the oil, and latterly the wine export, bought them their food from afar. Athens could thus go on growing in a fashion impossible to an agricultural community on the same soil; and could so escape that fate of shrinkage in the free class which ultimately fell upon purely agricultural Sparta. The upshot was that, after as before Solon, Athens had commercial interests among her pretexts for war, and so widened the sphere of her hostilities, escaping the worst forms of "stasis" in virtue of the expansibility of commerce and the openings for new colonisation which commerce provided and widened. But colonisation there had to be. Precisely by reason of her progressiveness, her openness to the alien, her trade and her enterprise, Attica increased in population at a rate which enforced emigration, while the lot of the rural population did not economically improve, and the probable change from corn-growing to olive-culture[238] would lessen the number of people employed on the land. Even apart from the fact of the popular discontent which welcomed the _tyrannis_ of Peisistratos, we cannot doubt that Solon's plans had soon failed to exclude the old phenomena of poverty. The very encouragement he gave to artisans to immigrate,[239] while it made for the democratic development and naval strength of Athens, was a means of quickening the approach of a new economic crisis. And yet he seems to have recognised the crux of population. The traditional permission given by the sage to parents to expose infants, implicitly avows the insoluble problem--the "cursed fraction" in the equation, which will not disappear; and in the years of the approach of Peisistratos to power we find Athens sending to Salamis (about 570) its first _kleruchie_, or civic colony-settlement on subject territory--this by way of providing for landless and needy citizens.[240] It was the easiest compromise; and nothing beyond compromise was dreamt of.