The death of al-Qaeda leader Osama bin Laden in 2011 sparked a debate about the future of the organisation and the nature of the threat it posed, which has remained unresolved. There is a general acceptance that al-Qaeda as a terrorist organisation has been substantially degraded in its Afghan heartland, but the degree to which affiliated groups in the Arabian peninsula and parts of Africa, and self-radicalised 'lone wolves' remain a significant threat to the United States and its allies, is a subject on which experts and policymakers disagree.
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机译：基地组织领导人乌萨马·本·拉丹（Osama bin Laden）于2011年去世，引发了关于该组织的未来及其构成的威胁的性质的辩论，这一问题尚未解决。人们普遍认为，基地组织是恐怖组织，在其阿富汗心脏地带已大大退化，但是阿拉伯半岛和非洲部分地区的附属团体以及自发根基的“独狼”的程度仍然是一个重大威胁对于美国及其盟国而言，这是专家和政策制定者不同意的话题。
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