(World civilizations) may undergo a survey.Logical formLearned from5 sentences. A civilization can be affluent.Logical formLearned from5 sentences. A higher degree can be constituted-of-or-filled-with civilization.Logical formLearned from5 sentences. Monuments may pertain-to a civilization.Logical formLearned from5 sentences. A civilization may collapse.Logical formLearned from5 sentences. An order can be constituted-of-or-filled-with civilization.Logical formLearned from5 sentences. Persons may develop a civilization.Logical formLearned from5 sentences. A picture may show a civilization.Logical formLearned from5 sentences. A notion can be constituted-of-or-filled-with civilization.Logical formLearned from5 sentences. A contribution can be to a history of civilization.Logical formLearned from5 sentences. A civilization may stand.Logical formLearned from5 sentences. A cradle of civilization may become a grave.Logical formLearned from5 sentences. An encroachment may pertain-to civilization.Logical formLearned from5 sentences. An approach can be to civilization.Logical formLearned from5 sentences. A sphere may pertain-to a civilization.Logical formLearned from5 sentences.