10. The single biggest invention, perfected during the Song Dynasty of China, that changed the world, for better or worse, was the use of ___________________. A) fishing B) gunpowder C) sword fighting

10. The single biggest invention, perfected during the Song Dynasty of China, that changed the world, for better or worse, was the use of ___________________.

A) fishing
B) gunpowder
C) sword fighting
D) agriculture

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