With the Russian rouble devalued, the tsar had to choose between economic catastrophe and a change of allegiances. For a while, neutral American ships breached the blockade, took on loads of Russian hemp and sold it to England. Moreover, many British ships sailed under the American flag. Tsar Alexander, still an ally of Napoleon, did not stop them: he had not forgotten how his father and grandfather had perished, both victims of an aristocracy that had been impoverished by trade crises. In 1811, commodity trade prevailed over great power politics: the Russian cabinet rejected French overland imports and resumed sea trade with England. The value of the silver rouble on the European stock exchanges increased by 40 per cent. When Russian and American efforts dismantled the Continental System, everybody was happy except for the French emperor. Napoleon had money, having sold Louisiana to the Americans for $11 million in 1803: this sum would have covered many years of Russian exports and left the British fleet without ropes or sails. But Napoleon hoped to keep his ally for free – a grave miscalculation.
In Spain, the celebrated Merino sheep were migrants from North Africa. They were selectively bred to produce a fine, white wool which set the standard for woollen clothing throughout the civilised world. The sheep appeared on the Iberian peninsula before the Great Plague. An indigenous breed of sheep – the Churra, more sturdy and valued primarily for its meat and cheese – had been farmed there earlier. Churra flocks were kept on permanent pastureland. Over the centuries local workshops had used their coarse, warm wool to produce cloaks, carpets and blankets. Merino yarn was finer, more attractive and more expensive. Many Spanish shepherds were Berbers, and they taught the Spanish their unique methods of rearing their Merino sheep, which included transhumance – a seasonal migration across the hills of Castile and Aragon. From this came the unusual division of labour: the fine-fleeced Merino sheep moved from one pasture to another, crossing the peninsula annually in huge flocks; the coarse-fleeced Churra stayed on permanent pastures around the towns. The
There were many more Churra sheep than migrating Merinos; peasants used some of their wool, meat and cheese on their farms and sold the surplus to the towns. But the Merinos were considered to be creatures of a higher order. These two sorts of sheep exemplify with textbook clarity the difference between a local raw material and a resource for long-distance trade. The law forbade the killing or eating of Merinos. Their cross-breeding with Churras was banned. It was a capital crime to export live Merino sheep abroad. The Habsburg Empire depended on its Merinos more than on its Churras and, probably, more than on its men and women. The migratory pattern of the pure-bred Merinos and their contrast with the settled flocks of the peasants had something aristocratic about it, as if it evoked memories of the nomadic, foreign origins of the European nobility.
Leaving in October from León, Segovia and other inhabited areas, the shepherds and their Merino flocks travelled between 100 and 500 miles south. Their journey took a month or more. The passage of huge flocks of sheep over the craggy hills of Castile was an impressive spectacle. The lands they passed through were privately owned, but the law required the landowners to step aside while the migration took place. If conflicts arose, armed guards and special clerks defended the shepherds. The only places off limits to the Merinos were enclosed agricultural areas – fields with standing crops, orchards or vineyards. Twice a year the Merino flocks passed by the permanent pastures where the Churra grazed. Well-armed curators safeguarded the pure pedigree of the Merino flocks.