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Imported ceramics from Early Bronze Age contexts in southeast Arabia illustrate a complex multidirectional network of material and social interactions at this time. Significant socioeconomic changes that occurred in the Hafit (3200–2800 B.C.) and Umm an-Nar (2800–2000 B.C.) periods have been linked to external demand for copper, which is argued to have stimulated a change in subsistence patterns. Similarly, disruption to long-distance exchange networks by external factors has been cited as driving change at the end of the Umm an-Nar period. Archaeological evidence from the region suggests a shift in the direction of exchange from Mesopotamia to the Indus occurred around the middle of the third millennium B.C. However, a recent analysis of Mesopotamian historical sources has highlighted the scale of state-organised textile production for export to the lower Gulf in the later third millennium B.C. The site of Kalba 4 has a stratified sequence of occupation deposits dating from the Umm an-Nar and Iron Age (1300–300 B.C.). In this study, a typological analysis of imported ceramics is used to locate the Kalba in the chronological framework of the region and discuss the changing networks of long-distance exchange that were operating. The imported pottery at Kalba 4 indicates that the inhabitants of the site were exchanging goods with a range of polities, including southern Mesopotamia, the Indus Valley (Meluhha), southeast Iran (Marhashi) and Bahrain (Dilmun). A significant quantity of Late Akkadian ceramics at the site suggests it became an important location for Mesopotamian trade at this time.  相似文献   
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The arts and culture sector in many countries faces major challenges, as a consequence of ongoing austerity measures and changes in the ways in which the arts are experienced. In major nations such as the United States, the United Kingdom and in several European countries, there is considerable pressure to look for new ways of surviving in an age of consumerism, accountability and rapidly changing technologies. On the other hand, many Asian countries have invested heavily in building their arts and culture sector as part of the new twenty-first-century economy. The arts and culture sector in Australia faces serious challenges at present, including ongoing fiscal pressures, an absence of any national cultural policy and disruption as a consequence of changing governments. In order to explore these issues, interviews were held with 22 key leaders from a range of Australian organisations associated with arts representation, funding, policy and advocacy. The findings highlight both the challenges and opportunities facing Australia towards what may be considered the next wave of innovation and change.  相似文献   
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This article seeks to test the assumption that realism is completely hostile to the ethical and political notions of humanitarian intervention. The popular understanding of realism states that the national interest and international order will always trump the moral impulse to assist those suffering gross human-rights abuses at the hands of their government. The article makes the argument that this understanding of realism emerged from a particular period of history and under the pens of specific individuals reacting to these conditions. By affording a much deeper historical scope to the term ‘realism’, this article shows how realism cannot be damned uniformly by those writing and thinking about humanitarian intervention in the present period, and the role it holds in contemporary debates on humanitarian intervention.  相似文献   
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