The most popular version cited an American Civil War battle, which in contrast to most urban legends, actually happened.
最流行的一个版本是这样说的，在美国内战期间，这点和大多数城市传说相反，因为前者是真实的历史事件。
2
Americans did not invent new methods of drastic war during the Civil war so much as they made real a version of conflict many of them had talked about from the start.
美国人在内战中没有发明多少激烈战斗的新方法，但是他们将最初讨论中的多种冲突方式付诸实践。
3
The pattern of process planning management is studied, the version management , the task management and the workflow management for civil aviation seats are highlighted presented.