For example, the Worldwatch Institute reports: “Three times as many people fell victim to war in [the 20th] century as in all the wars from the first century AD to 1899. ”
या शस्त्रांच्या साहाय्याने मानव एकाच वेळी सबंध राष्ट्रांचे नामोनिशाण मिटवू शकतात.