Final answer:
The four major gunpowder empires were the Ottoman Empire, Safavid Empire, Mughal Empire, and Russian Empire.
Step-by-step explanation:
The four major gunpower empires were the Ottoman Empire, the Safavid Empire, the Mughal Empire, and the Russian Empire.
The Ottoman Empire was a Muslim dynasty that rose in the 1300s and became a world power after the conquest of Constantinople in 1453.
The Safavid Empire was located in Persia and was known for its strong Shia Muslim identity.
The Mughal Empire was located in India and was known for its rich culture and architecture, including the iconic Taj Mahal.
The Russian Empire, although not traditionally referred to as a gunpowder empire, expanded its territories through the use of firearms and gunpowder technology.