Civilization may undergo a conception.Logical formLearned from11 sentences. Persons may build a civilization.Logical formLearned from11 sentences. An impact can be on civilization.Logical formLearned from11 sentences. Civilizations can be in history.Logical formLearned from11 sentences. Civilization may undergo protection.Logical formLearned from11 sentences. Outposts can be constituted-of-or-filled-with civilization.Logical formLearned from11 sentences. A standard can be constituted-of-or-filled-with civilization.Logical formLearned from11 sentences. A legacy may pertain-to a civilization.Logical formLearned from11 sentences. Traditions may pertain-to a civilization.Logical formLearned from11 sentences. The past may undergo a civilization.Logical formLearned from11 sentences. Communication can be between civilizations.Logical formLearned from11 sentences. An edge of civilization can be then.Logical formLearned from11 sentences. Civilizations can be on earth.Logical formLearned from11 sentences. Civilizations may undergo a fall.Logical formLearned from11 sentences. A fabric may pertain-to a civilization.Logical formLearned from11 sentences.