Answer:
Step-by-step explanation:
During the Song dynasty, several important technological developments took place. However, one technological development that did not occur during the Song dynasty was the invention of gunpowder. The invention of gunpowder actually predates the Song dynasty and is attributed to Chinese inventors during the Tang dynasty (9th century). Gunpowder was initially used for medicinal and alchemical purposes before its military applications were discovered. So, the correct answer is that the invention of gunpowder was not an important technological development during the Song dynasty.