The Islamic Gunpowder Empires, comprising the Ottoman, Safavid, and Mughal empires. These empires experienced a period of prosperity, but eventually faced internal conflicts, external pressures, and socioeconomic challenges that led to their decline by the 18th century, resulting in the collapse of their once-powerful empires.
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one reason was decreased money from trade. Before the age of exploration, Islamic Empires were able to get tariffs from Europeans trying to get to Asia. After Age of Exploration, Europeans went around the Islamic Empires, so they lost out on vital money from tariffs.