By the early 16th century the loosely knit kingdom of Georgia had disintegrated from the strong monarchy of the middle ages to a number of small states and principalities. This internal disunity made the Georgians easy victims of the power politics of the neighbouring Ottoman and Safavid empires and by the end of the century the southward drive of the Russians intensified the struggle for military and diplomatic control over the whole of the Caucasian isthmus. As a result of this struggle 17 embassies were exchanged between the Russian tsars and the Georgian kings ruling in Kakheti during the...