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1862年2月美国北方联邦军队攻克了南方邦联在田纳西的纳什维尔要塞,拿下要塞后打算歇口气的联邦指挥官发现南方居然还留下了一种大规模杀伤性武器继续杀伤他的军队。这武器
In February 1862 the North American federal forces captured the confederation of Confederate States in Nashville, Tennessee, and the federal commander intending to pause after winning the fortress discovered that the South still had a weapons of mass destruction that continued to kill his troops. This weapon