This is a quote from the book "Animal Farm" by George Orwell
... them selves felt. There was need of paraffin oil, nails, string, dog biscuits, and iron for the horses’ shoes, none of which could be produced on the farm. Later there would also be need for seeds an d artificial manures, besides various tools and, finally, the machinery for the windmill. How these were to be procured, no one was able to imagine.

One Sunday morning, when the animals assembled to receive their orders, Napoleon announced that he had decided upon a new policy. From now onwards Animal Farm would engage in trade with the neighbo...

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