The gunpowder was one notable invention during the tang dynasty. Option A is correct.
The Tang Dynasty spanned from 618 to 907 CE in imperial China, after the Sui Dynasty. Its first emperor was Li Yuan or Gaozu, who had been an official in the Sui Dynasty. The leaders created mints, reforms, and focused on the importance of education.
The gunpowder was created as a weapon and was developed by an alchemist. It was a mixture of saltpeter with charcoal and sulfur.
