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For the people of South Sudan, the promise of independence is saddled with challenges similar to those witnessed by post-independence Africa in the late 1950s and early 1960s. Then, the euphoria was short lived as several African countries lapsed into a state of authoritarianism, corruption and instability. The question is, what went wrong and can South Sudan learn from Africa's past? This update observes that there are differences in context between South Sudan and post-independence Africa, but maintains that South Sudan faces similar dangers: independence could easily turn into disenchantment and come to haunt the leaders of Africa's newest state should they fail to take concrete measures to transform institutions to be accountable, inclusive and responsive to people's needs.  相似文献   
2.
This article examines a secret Anglo-American programme, Project ‘E’, which equipped the RAF’s V-bomber Force with US nuclear weapons for use in wartime. It shows Project ‘E’ was ineffective as a warhead supply programme and, furthermore, that it crippled the operational effectiveness of the V-bomber Force as a whole between 1958 and 1962. This article argues that as a result of Project ‘E’, the V-Force was neither operationally nor politically independent as a nuclear deterrent force. This challenges the traditional view of the V-Force as the benchmark of nuclear independence to assess the Skybolt, Polaris and Trident programmes.  相似文献   
3.
S-Box是现行分组密码中唯一的非线性部件,主要提供了分组密码算法中必需的混淆作用,其密码强度决定了整个分组密码的安全强度。为进一步提高S-Box的强度,结合离散混沌系统的内在随机性、有界性、非周期性及对初始条件和参数极度敏感等特点,提出一种采用多混沌映射和交叉映射生成S-Box的生成算法。实验分析表明,该算法生成的样本密钥敏感性强,随机性好,既能较好地满足S-Box设计所要求的各项准则和特性,安全性高,同时又能降低计算复杂度,提高计算速度,且易于生成和扩展,因而是一种性能良好的S-Box候选算法。  相似文献   
4.
This article argues that the history of irregular warfare provides a valuable analytical and critical perspective for the study of counterinsurgency campaigns and counterinsurgency doctrine. A focus on the history of irregular warfare highlights the close relationship between warfare in Europe and in the colonies. Moreover, it enables us to identify more exactly the intersection of multiple factors that lead to an escalation of violence in small wars. Finally, it also sheds light on the lack of strategic reflection on the use of irregular auxiliaries that is characteristic for many counterinsurgency campaigns.  相似文献   
5.
‘Greed’ vs. ‘grievance’ is weighed using a generally applicable methodology as motivations in the American War of Independence. Greed is quantified as the expected economic benefit of Independence – escaping colonial trade burdens and expected increased economic growth rates. Grievance is measured as willingness to pay to escape perceived political burdens. Quantification of the relative contributions is made possible by using estimates of expected war-costs. To the extent that the economic burden was insufficient to explain the War, the residual is ascribed to the grievance motivation. Both motives are shown to have contributed to the War, but grievance dominates.  相似文献   
6.
Did participants in small wars in the period 1775–1831 learn from previous or contemporary examples? While this is difficult to prove for participants who left no written records, there is considerable evidence in existing publications by practitioners that they did indeed draw out lessons from recent insurgencies, either from their own experience or from events elsewhere which they studied from afar, especially the Spanish Guerrilla, which had already become legendary. Most authors showed an interest in how to stage insurgencies rather than in how to quell them. Even then, transfer did not come in a package of tactics-cum-values, but in each case in different configurations.  相似文献   
7.
The Spanish Guerrilla (1808–1812) which has given its name to ideologically motivated insurgencies is usually portrayed as a patriotic uprising against the French occupation forces of Napoleon. It was that, in part, but also many other things besides. This case study illustrates its overlap and convergence with banditry but also with social unrest turned into uprisings directed by poor Spaniards against their creditors, as in the storming of Ronda by insurgents in 1810. From the propaganda of the day to the subsequent Spanish patriotic historiography, there has been a tendency to exaggerate the amplitude of events and also the damage that was done to the French forces and the casualty figures inflicted on them.  相似文献   
8.
Armed groups are usually seen as threats to humanitarian action but less attention has been paid where they provide assistance to constituent populations. Ethnic armed groups (EAGs) in Myanmar have developed associated welfare organisations that perform this role. This article argues this is due to EAG social embeddedness and flexibility to changes in sources of funding and support, and the influence of their relations with international humanitarian organisations. This article further contends a subset of advocacy, health and education organisations have evolved to form a nascent civil society within the political and social non-state sphere of some established EAGs.  相似文献   
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