A contest can be between civilisations.Logical formLearned from3 sentences. Some persons may peddle an idea of a clash of civilisations.Logical formLearned from3 sentences. A conflict can be between civilisations.Logical formLearned from3 sentences. A use can be in variety of civilisations.Logical formLearned from3 sentences. Civilisations can be through ages.Logical formLearned from3 sentences. A wall may be populated by civilisations.Logical formLearned from3 sentences. Some civilisations may agree.Logical formLearned from3 sentences. A strength of civilisations can be military.Logical formLearned from3 sentences. Some civilisations may be founded with some wars.Logical formLearned from3 sentences. Civilisations may manifest greatness.Logical formLearned from3 sentences. Civilisations may be wipe_outed by diseases.Logical formLearned from3 sentences. Civilisations may undergo a birth.Logical formLearned from3 sentences. Civilisations can be in a country.Logical formLearned from3 sentences. Civilisations can be in history.Logical formLearned from3 sentences. Researcher may look_back at ancient civilisations.Logical formLearned from3 sentences.