Before steam engines most factories were powered by wind or water or horse!!
Leonardo da Vinci (1452-1519) was a painter, architect, inventor, and student of all things scientific. His natural genius crossed so many disciplines that he epitomized the term “Renaissance man<span>.”
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I believe B is the answer but you can go look in a dictionary to answer this question
Korea
Taiwan
Hong Kong
East Asia
Vietnam
Cambodia
Laos
Those are all I could think of...