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International audience ; The unit of time used in demography is thirty years, the period of one generation. Demographic phenomena unfold slowly over time and therefore there is a time lag for public opinion to perceive and understand them. The expression "demographic implosion" must therefore be handled with care because, while it is true that in Europe there is a decrease in the proportion of youth, this decline will produce its effects very slowly: Population ageing and a decrease in natural growth. The analysis of the implosion allows one to dis- tinguish between two phenomena that often mistaken for each other. On the one side, the proportion of elderly persons grows because life expectancy at birth has increased and mortality has declined. This growth of the elderly is therefore the result of better living conditions, particularly medical advances. On the other side, the fall of fertility implies ageing from the base which reflects the lack of population replacement. One must therefore be careful to distinguish between two kinds of ageing: From the top, which reflects the many benefits of progress for men and women, and ageing from the base, which reflects estrangement regarding life. ; [L'unité de temps utilisée en démographie est de trente ans, la durée entre deux générations. Les phénomènes démographiques se déroulent lentement avec le temps et, donc, il y a un décalage dans la possibilité de l'opinion publique de percevoir et de comprendre. L'expression «implosion démographique» doit donc être manipulé avec soin, car, s'il est vrai qu'en Europe, il y a une diminution de la proportion de jeunes, cette baisse va produire ses effets lentement : vieillissement de la population et diminution de la croissance naturelle. L'analyse de l'implosion permet de distinguer deux phénomènes souvent confondus. D'un côté, la proportion de personnes âgées augmente parce que l'espérance de vie à la naissance a augmenté et la mortalité a diminué. Cette croissance des personnes âgées est donc le résultat de meilleures ...

International audience ; The unit of time used in demography is thirty years, the period of one generation. Demographic phenomena unfold slowly over time and therefore there is a time lag for public opinion to perceive and understand them. The expression "demographic implosion" must therefore be handled with care because, while it is true that in Europe there is a decrease in the proportion of youth, this decline will produce its effects very slowly: Population ageing and a decrease in natural growth. The analysis of the implosion allows one to dis- tinguish between two phenomena that often mistaken for each other. On the one side, the proportion of elderly persons grows because life expectancy at birth has increased and mortality has declined. This growth of the elderly is therefore the result of better living conditions, particularly medical advances. On the other side, the fall of fertility implies ageing from the base which reflects the lack of population replacement. One must therefore be careful to distinguish between two kinds of ageing: From the top, which reflects the many benefits of progress for men and women, and ageing from the base, which reflects estrangement regarding life. ; [L'unité de temps utilisée en démographie est de trente ans, la durée entre deux générations. Les phénomènes démographiques se déroulent lentement avec le temps et, donc, il y a un décalage dans la possibilité de l'opinion publique de percevoir et de comprendre. L'expression «implosion démographique» doit donc être manipulé avec soin, car, s'il est vrai qu'en Europe, il y a une diminution de la proportion de jeunes, cette baisse va produire ses effets lentement : vieillissement de la population et diminution de la croissance naturelle. L'analyse de l'implosion permet de distinguer deux phénomènes souvent confondus. D'un côté, la proportion de personnes âgées augmente parce que l'espérance de vie à la naissance a augmenté et la mortalité a diminué. Cette croissance des personnes âgées est donc le résultat de meilleures conditions de vie, en particulier les progrès de la médecine. De l'autre côté, la chute de la fécondité implique le vieillissement de la base de la pyramide des âges qui reflète le manque de remplacement de la population. Il faut donc prendre soin de distinguer entre deux types de vieillissement: « par le haut », qui reflète les nombreux avantages du progrès pour les hommes et les femmes, et le vieillissement « par le bas », qui reflète la fécondité abaissée.] ; L'unità di tempo utilizzata in demografia è di trent'anni, la durata tra due generazioni. I fenomeni demografici si dispiegano lentamente nel tempo e, pertanto, vi è un ritardo nella capacità dell'opinione pubblica di percepire e comprendere. L'espressione "implosione demografica" deve quindi essere maneggiato con cura, perché se è vero che in Europa v'è una diminuzione della proporzione di giovani, questa diminuzione avrà effetto invecchiamento della popolazione e lentamente una diminuzione della crescita naturale. L'analisi dell'implosione consente di distinguere due fenomeni spesso confusi. Da un lato, la percentuale di anziani aumenta perché l'aspettativa di vita alla nascita è aumentata e la mortalità è diminuita. Questa crescita degli anziani è quindi il risultato di migliori condizioni di vita, in particolare del progresso della medicina. D'altra parte, il calo della fertilità implica l'invecchiamento della base della piramide delle età, che riflette la mancanza di sostituzione della popolazione. Dobbiamo fare attenzione a distinguere tra due tipi di invecchiamento: "dall'alto", che riflette i molti benefici del progresso per uomini e donne, e l'invecchiamento "dal basso", che riflette la fertilità abbassata.

This paper concerns land use and peasant society relating to settlements, power, and state formation in Northern Europe in the period 500–1200 AD, combining archaeological and written evidence in spatial landscape studies. In the mainly rural society in the Middle Ages, political and economic power seems to have been based on control over land, including people, land, and estates. The king and his followers travelled between a limited numbers of royal villas, located in the coastal areas or by central rivers and important route-ways. Due to urbanisation and supra-regional state formation, this system gradually changed. Around 900–1100 AD, new towns were established as the main urban centres, which gradually became the king's residences and powerbase. During the High Middle Ages, the old rural manors and estates of the king were split into several units and donated to the king's secular allies and ecclesiastical institutions such as bishops, monasteries, and churches, often located in the towns.

Following the disintegration of the socialist system in Europe & the end of the bloc-based relations, American politics has changed the course of its operation. In present-day circumstances, southeast Europe is becoming increasingly prominent in American foreign policy projections, particularly during Clinton's administration. Clinton has defined a clear-cut policy towards Europe's southeast due to its vicinity to certain neuralgic points of American engagement (Near East, the Caspian region, the Gulf, eastern Mediterranean). In this way American politics has proved its leading global role. At the time of scarcity of foreign policy events, Clinton's team has thus been served on a platter a major foreign policy arena, in which its engagement -- which has all the symptoms of a long-lasting one -- has not proved too costly. Adapted from the source document.