By the late 1970s, people in both the United States and the Soviet Union, along with the rest of the world, had been living with the concept of mutual assured destruction MAD for about a decade, and it became deeply ingrained into the psyche and popular culture of those countries
काही वर्षांपूर्वीपर्यंत इतिहासकारांमध्ये असा समज होता की युरोप व मध्य अशियातून आलेल्या आर्य लोकांच्या टोळ्यांनी सातत्याने आक्रमणे करून सिंधू संस्कृती नष्ट केली व वैदिक काळ सूरू झाला.