求美国内战英文简介,200到300字.急用!

The American Civil War (1861 - 1865) was one of the most violent times in the History of the United States. Many books have been written on all aspects of the Civil War. More than 600,000 men gave their lives for their country in this war. This is more lives lost in one war than in all wars and conflicts combined following this period in time. An influential conventional wisdom holds that civil wars proliferated rapidly with the end of the Cold War and that the root cause of many or most of these has been ethnic and religious antagonisms. We show that the current prevalence of internal war is mainly the result of a steady accumulation of protracted conflicts since the 1950s and 1960s rather than a sudden change associated with a new, post-Cold War international system. We also find that after controlling for per capita income, more ethnically or religiously diverse countries have been no more likely to experience significant civil violence in this period. We argue for understanding