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Right Answer: A. The invention of gunpowder
Why? Because with the invention of gunpowder wars were a lot more bloodier and caused more damage which made it end
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Right Answer: A. The invention of gunpowder
Why? Because with the invention of gunpowder wars were a lot more bloodier and caused more damage which made it end
Have a good day
Answer: the right answer is the vulnerability to invaders so D
Explanation: I took the test