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Which of the following was a sustainable power source used during the Middle Ages? block and tackle steam engine windmill compass
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Which of the following was a sustainable power source used during the Middle Ages?

block and tackle
steam engine
windmill
compass

User Maximdim
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The windmill was a power source used during the Middle Ages to supply power to churches, homes, outside stores, and many more. Hopefully this helped :) have a wonderful day!!
User Finneycanhelp
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