Question

how was gunpowder discovered?
a. daoist alchemists worked tirelessly to create fireworks for the emperors birthday.
b. daoist alchemists worked tirelessly to create explosives for the emperors army.
c. daoist alchemists accidentally creating huo yan, or \fire drug,\ instead of an ingestible, smokable substance.
d. daoist alchemists accidentally creating huo yan, or \fire drug,\ instead of a cure for death.

Explanation:

Gunpowder was discovered by ancient Chinese Daoist alchemists who were seeking an elixir of immortality (a cure for death). They accidentally created huo - yan or "fire - drug" which is gunpowder.

Answer:

D. Daoist alchemists accidentally creating huo yan, or "fire drug," instead of a cure for death.