Answer: Castilian, Catalan, Galician, Basque
Explanation:
See back then farming was really important and they weren't really industrialized uuntil after the civil war.
The growth of civilization most clearly traced is farming
Answer:
A market for cats would have had a positive externality.
Because the cats would kill the rats on sight since that is their natural behavior.
However, it is interesting to mention, that the cat's killing has been more of a "mythic" aspect of this story, since it fails to take into account that since the black death was caused by the<em> yersinia pestis</em> bacteria, cats could have been also infected, and since their interactions with humans are greater than rats or fleas, the real outcome could have been totally unexpected.
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