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Northeastern China is one of the centers of early development of agriculture and sedentary life, as well as of the subsequent development of social complexity and distinct cultural attributes. While the outlines of this trajectory are clear, its important details are still elusive. Like all other regions of northern China, there is little data on the all-important transition from nomad hunter-gatherers to sedentary agriculturalists. The Fuxin Regional Survey was designed as the first step in accumulating new data and addressing the geographic and ecological contexts of these socioeconomic processes. Among the most remarkable results of this survey is the identification of early ceramics, which possibly predate the transition to agriculture. The systematic collection and analysis of stone tools was done in a way never before done in this region. Analysis of our findings, using GIS and other methods, sheds new light on the local trajectory of human adaptation in this area.  相似文献   
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The contemporary use of flaked stone tools provides a rare opportunity to study various aspects of lithic technology. Variables that must be inferred in archaeological contexts can be observed and more easily studied in ethnographic ones. The Hadiya hideworkers of southern Ethiopia, like a few other groups in this region, still retain the tradition of making and using obsidian scrapers on a daily basis for hide-working activities. This ethnoarchaeological study demonstrates how differential access to raw material and the resultant procurement strategies result in intra-group variability in scraper-use intensity. Results show that raw material acquisition costs, which are difficult to identify in archaeological assemblages, represent significant impacts on tool use life and curation.  相似文献   
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The Liberal Republican Party of 1872 combined ‘genteel’ intellectuals such as Charles Eliot Norton and E.L. Godkin with hardened politicos like Horace Greeley. It serves therefore as a window on the political thought of Norton and Godkin at a moment when their ideas were tested by exposure to the real world of practical politics. The two men's revulsion at the nomination of Greeley and the debasing of the reform cause exposed their underlying conservatism during this time.  相似文献   
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