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Isolationism as expressed in the base note is clearly false. Here is the single counter example required to refute it: the Clovis culture in North and South America. The Clovis tools and spearheads are found in multiple sites over a huge geographical area, within a relatively narrow range of dates. There are more than one thousand known sites with Clovis spear points or toolkits throughout both North and South American.

Key thing is the dated range of all these sites is about 500 years. So there is an example of a technology that diffused pretty fast across two large continents.

Note that disproving isolationism does not prove diffusionism in general. But for this one technology, diffusionism is clearly how it spread so fast.

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Subject Views Written By Posted
Cultural Diffusionism vs. Cultural Isolationism 3142 gadavid 10-Apr-18 22:17
Re: Cultural Diffusionism vs. Cultural Isolationism 681 Edmond 14-Apr-18 09:47
Re: Cultural Diffusionism vs. Cultural Isolationism 620 gadavid 15-Apr-18 20:23
Re: Cultural Diffusionism vs. Cultural Isolationism 669 Edmond 16-Apr-18 12:53
Re: Cultural Diffusionism vs. Cultural Isolationism 620 gadavid 17-Apr-18 19:26
Re: Cultural Diffusionism vs. Cultural Isolationism 614 gadavid 17-Apr-18 23:34
Re: Cultural Diffusionism vs. Cultural Isolationism 635 Edmond 18-Apr-18 10:00
Re: Cultural Diffusionism vs. Cultural Isolationism 605 gadavid 18-Apr-18 22:18
Being hard wired 607 drrayeye 19-Apr-18 06:24
Re: Being hard wired 605 Edmond 19-Apr-18 08:54
Re: Being hard wired 587 Aine 19-Apr-18 12:34
The scientific literature 631 drrayeye 19-Apr-18 13:26
Re: Being hard wired 634 gadavid 19-Apr-18 22:54
Re: Being hard wired 592 gadavid 19-Apr-18 23:18
Re: Being hard wired 628 Edmond 20-Apr-18 07:32
If you want tobe taken seriously by scientists 613 drrayeye 20-Apr-18 15:22
Re: Being hard wired 587 Eddie Larry 20-Apr-18 16:58
Re: Being hard wired 593 gadavid 21-Apr-18 05:08
Re: Being hard wired 591 Edmond 21-Apr-18 14:53
Re: Being hard wired 583 Eddie Larry 21-Apr-18 17:27
Re: Being hard wired 579 gadavid 22-Apr-18 21:52
Re: Being hard wired 624 gadavid 22-Apr-18 22:01
Re: Being hard wired 590 Edmond 23-Apr-18 09:29
Re: Being hard wired 619 gadavid 23-Apr-18 22:21
Re: Being hard wired 582 Edmond 24-Apr-18 10:30
Re: Being hard wired 640 gadavid 24-Apr-18 23:23
Re: Being hard wired 673 Edmond 25-Apr-18 09:21
Re: Being a hard wired pain 585 MDaines 25-Apr-18 10:57
Re: Being hard wired 958 gadavid 25-Apr-18 19:38
Re: Being hard wired 600 Eddie Larry 19-Apr-18 18:31
Re: Cultural Diffusionism vs. Cultural Isolationism 666 PB Bytes 14-Apr-18 16:56
Re: Cultural Diffusionism vs. Cultural Isolationism 609 gadavid 16-Apr-18 00:15
Re: Cultural Diffusionism vs. Cultural Isolationism 634 drrayeye 17-Apr-18 21:56
Re: Cultural Diffusionism vs. Cultural Isolationism 592 gadavid 17-Apr-18 23:19
Re: Cultural Diffusionism vs. Cultural Isolationism 631 drrayeye 18-Apr-18 08:09
Re: Cultural Diffusionism vs. Cultural Isolationism 597 gadavid 18-Apr-18 22:30
Re: Cultural Diffusionism vs. Cultural Isolationism 595 drrayeye 19-Apr-18 05:26
To disprove a theory, all that is needed is a single true counter factual 572 Race Jackson 24-Apr-18 00:06
Re: To disprove a theory, all that is needed is a single true counter factual 580 Edmond 24-Apr-18 10:39


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