Most of the towns, and even most of the larger villages, of ancient Egypt were walled.
This was an almost necessary consequence of the geographical characteristics and the political constitution of the country. The mouths of the defiles which led into the desert needed to be closed against the Bedawîn; while the great feudal nobles fortified their houses, their towns, and the villages upon their domains which commanded either the mountain passes or the narrow parts of the river, against their king or their neighbours.
The oldest fortresses are those of Abydos, El Kab, and Semneh. Abydos contained a sanctuary dedicated to Osiris, and was situate at the entrance to one of the roads leading to the Oasis. As the renown of the temple attracted pilgrims, so the position of the city caused it to be frequented by merchants; hence the prosperity which it derived from the influx of both classes of strangers exposed the city to incursions of the Libyan tribes.

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