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don’t words such as “civilization,” and phrases such as “rise of civilization,” convey the false impression that civilization is good, tribal hunter-gatherers are miserable, and history for the past 13,000 years has involved progress toward greater human happiness? In fact, I do not assume that industrialized states are “better” than hunter-gatherer tribes, or that the abandonment of the hunter-gatherer lifestyle for iron-based statehood represents “progress,” or that it has led to an increase in human happiness. My own impression, from having divided my life between United States cities and New Guinea villages, is that the so-called blessings of civilization are mixed. For example, compared with hunter-gatherers, citizens of modern industrialized states enjoy better medical care, lower risk of death by homicide, and a longer life span, but receive much less social support from friendships and extended families.

Guns, Germs, and Steel

Jared Diamond

Naïve, idealistic hopes had been shattered. Scholars found that, contrary to the happy wishes of most people, it was not a good idea for the human race as a whole to make contact with extraterrestrials. The impact of such contact on human society would be divisive rather than uniting, and would exacerbate rather than mitigate the conflicts between different cultures. In summary, if contact were to occur, the internal divisions within Earth civilization would be magnified and likely lead to disaster. The most shocking conclusion of all was that the impact would have nothing at all to do with the degree and type of contact (unidirectional or bidirectional), or the form and degree of advancement of the alien civilization. This was the theory of “contact as symbol” proposed by sociologist Bill Mathers of RAND Corporation in his book, The 100,000-Light-Year Iron Curtain: SETI Sociology. Mathers believed that contact with an alien civilization is only a symbol or a switch. Regardless of the content of the encounter, the results would be the same. Suppose that the nature of the contact is such that only the existence of extraterrestrial intelligence is confirmed, with no other substantive information—what Mathers called elementary contact. The impact would be magnified by the lens of human mass psychology and culture until it resulted in huge, substantive influences on the progress of civilization. If such contact were monopolized by one country or political force, the significance would be comparable to an overwhelming advantage in economic and military power.

The Three-Body Problem

Cixin Liu and Ken Liu

How did Pizarro come to be at Cajamarca? Why didn’t Atahuallpa instead try to conquer Spain? Pizarro came to Cajamarca by means of European maritime technology, which built the ships that took him across the Atlantic from Spain to Panama, and then in the Pacific from Panama to Peru. Lacking such technology, Atahuallpa did not expand overseas out of South America. In addition to the ships themselves, Pizarro’s presence depended on the centralized political organization that enabled Spain to finance, build, staff, and equip the ships. The Inca Empire also had a centralized political organization, but that actually worked to its disadvantage, because Pizarro seized the Inca chain of command intact by capturing Atahuallpa. Since the Inca bureaucracy was so strongly identified with its godlike absolute monarch, it disintegrated after Atahuallpa’s death. Maritime technology coupled with political organization was similarly essential for European expansions to other continents, as well as for expansions of many other peoples. A related factor bringing Spaniards to Peru was the existence of writing. Spain possessed it, while the Inca Empire did not. Information could be spread far more widely, more accurately, and in more detail by writing than it could be transmitted by mouth. That information, coming back to Spain from Columbus’s voyages and from Cortés’s conquest of Mexico, sent Spaniards pouring into the New World. Letters and pamphlets supplied both the motivation and the necessary detailed sailing directions. The first published report of Pizarro’s exploits, by his companion Captain Cristóbal de Mena, was printed in Seville in April 1534, a mere nine months after Atahuallpa’s execution. It became a best-seller, was rapidly translated into other European languages, and sent a further stream of Spanish colonists to tighten Pizarro’s grip on Peru.

Guns, Germs, and Steel

Jared Diamond

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