Answer:
Gunpowder
Step-by-step explanation:
Gunpowder is one of the discoveries crucial in helping dynasties to gain or retain power for long period. The dynasties expanded their territories having strong military forces with advanced firearms and cannons. The gunpowder empires became famous for their warfare with using of guns. Some of the gunpowder empires were the ottomans, the Mughals, and the Safavids. Gunpowder was invented in the Ming Dynasty. For the first time, gunpowder-based weaponry introduced during this period.