This momentous change must have had a cause, but we look in vain for such a cause in the Egyptian monuments. It has been suggested that the War of Independence may have brought it about by increasing the power of the king as leader in the struggle.[111] But this would not explain his absorption of the land; and even if all the older families had perished in the war, which is not very probable, the lesser landowners would have remained. Moreover, the generals of the king would in this case have claimed similar spoils to those of their leader. What their commander had seized would have been seized also by the officers under him. However great may be our reluctance to accept the explanation offered by the story of Joseph, certain it is that it is the only adequate explanation forthcoming. And there is one strong argument in its favour. Under Ahmes, the conqueror of the Hyksos and the founder of the eighteenth dynasty, there are still instances of land being held by private individuals. But this was at El-Kab, in Upper Egypt, where the Hyksos rule had long been nominal rather than real, and where it had not been obeyed at all for three generations previously.[112] As soon as the eighteenth dynasty kings were established firmly on the throne of the Hyksos Pharaohs in the north as well as in their ancestral homes in Southern Egypt, even these instances of individual ownership in land came to an end. It was only where the Hyksos supremacy had been weak that they had lingered on. When once the Prince of Thebes had become in all respects the successor of the foreign Pharaohs who had reigned at Zoan, they cease altogether. The account of Joseph’s procedure is true to facts in another point also. From the time of the eighteenth dynasty onwards we hear repeatedly of the public _larits_ or granaries which were under State control.[113] The peasantry were required to contribute to them yearly in a fixed proportion, and the corn stored up in them was only sold to the people in case of need. It was out of these granaries, furthermore, that many of the Government officials were paid in kind, as well as the workmen employed by the State. The office of ‘superintendent of the granaries’ was therefore a very important one: once each year he presented to the king an ‘account of the harvests of the south and the north’; and if the account was exceptionally good, if the inundation had been abundant and the harvest better than ‘for thirty years,’ his grateful sovereign would throw chains of gold around his neck.[114] The origin of these royal granaries and of the office of their superintendent which thus characterise the ‘new empire’ of Egypt is explained by the history of Joseph.