Question

Why was the Ottoman Empire labeled a "gunpowder empire"?

Answer 1

→The Gunpowder Empires is a term used to describe the Ottoman, Safavid and Mughal empires. Each of these three empires had considerable military success using the newly developed firearms, especially cannon and small arms, in the course of their empires. ←

Answer 2

While the Chinese invented gunpowder the Ottoman Empire advanced it's used and won many battles by simply pounding the enemy city with cannon fire and entering in the weakened city.