试题题干
Leaves of Grass commands great attention because of its uniquely poetic embodiment of （ ）, which are written in the founding documents of both the Revolutionary War and Civil War in the United States.
参考答案
正确答案：
试题解析
《草叶集》得到广泛关注，因为它是美国民主思想的独特化身；在美国革命和美国内战的发起文件中，都写进了民主精神。