述谓是句子基本单位，是对句子的抽象化，适用于包括陈述句、祈使句和疑问句。述谓由一个或数个论元和一个谓词组成。
Predication is the abstraction of the meaning of a sentence. it applies to all forms of a sentence, including statements, imperative and interrogative.
最后一句，需要给出论题的地方，但是它只是对题目进行了分述，没有提出由于什么或者为什么内战发生了。
The final sentence, which should make an argument, only lists topics; it doesn't begin to explore how or why something happened.
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