Which technology, invented in China in the 9th century, transformed warfare across Europe and Asia by the 15th century?

Which technology, invented in China in the 9th century, transformed warfare across Europe and Asia by the 15th century?

• A. Caravel
• B. Mariner's Astrolabe
• C. Siege
• D. Gunpowder

Answer: (D)

Gunpowder stands as the technology tested. Invented in China in the 9th century, it opened up a new era of warfare by providing a powerful explosive force that could propel projectiles. Over time this led to portable firearms and, especially, cannons, which fundamentally changed how battles were fought and how fortifications were defended. By the 14th and 15th centuries, gunpowder weapons had spread across Eurasia through trade and contact, reshaping military strategy, siege warfare, and naval power. Fortresses could no longer rely solely on thick walls; cannons began breaching them, while ships armed with gunpowder weapons changed sea combat as well. This broad transformation across Europe and Asia to the mid-15th century is precisely why gunpowder is the best answer. Other options describe things that are not 9th-century Chinese inventions or not technologies: a caravel is a European sailing ship developed later, the mariner's astrolabe is an older navigational instrument, and a siege is a military operation rather than a technology.

Gunpowder stands as the technology tested. Invented in China in the 9th century, it opened up a new era of warfare by providing a powerful explosive force that could propel projectiles. Over time this led to portable firearms and, especially, cannons, which fundamentally changed how battles were fought and how fortifications were defended. By the 14th and 15th centuries, gunpowder weapons had spread across Eurasia through trade and contact, reshaping military strategy, siege warfare, and naval power. Fortresses could no longer rely solely on thick walls; cannons began breaching them, while ships armed with gunpowder weapons changed sea combat as well. This broad transformation across Europe and Asia to the mid-15th century is precisely why gunpowder is the best answer. Other options describe things that are not 9th-century Chinese inventions or not technologies: a caravel is a European sailing ship developed later, the mariner's astrolabe is an older navigational instrument, and a siege is a military operation rather than a technology.