世界国防态势发生了变化。在过去的200年中,大部分战争的起因是企图建立国家或扩大国家版图。而今后20年国际稳定的风险似乎可能来自其他因素:民族和宗教冲突、人口和环境压力、稀缺资源的争夺、毒品和犯罪等。自1990年以来,英国国防部开支实际下降了23％,而且美国武装部队兵力差不多裁员三分之一。随着12年前标志冷战结束的柏林墙 The world defense posture has changed. For the past 200 years, most of the wars have been caused by attempts to establish or expand the national territory. The risk of international stability over the next 20 years appears likely to come from other factors: ethnic and religious conflicts, population and environmental pressures, competition for scarce resources, drugs and crime. Since 1990, British Defense Department spending actually fell by 23%, and the U.S. Armed Forces almost laid off by one-third the strength. With the Berlin Wall marking the end of the Cold War 12 years ago