Businessmen may pertain-to an era.Logical formLearned from9 sentences. Some era can be in a series.Logical formLearned from9 sentences. An end may pertain-to a modern era.Logical formLearned from9 sentences. A history may pertain-to an era.Logical formLearned from9 sentences. A new era can be in a history of the world.Logical formLearned from9 sentences. Influences may pertain-to an era.Logical formLearned from9 sentences. An era can be in some ways.Logical formLearned from9 sentences. An era can be destructive.Logical formLearned from9 sentences. An era may manifest consciousness.Logical formLearned from9 sentences. An era can be constituted-of-or-filled-with social reform.Logical formLearned from9 sentences. Teachers can be for a new era.Logical formLearned from9 sentences. An era can be constituted-of-or-filled-with privatization.Logical formLearned from9 sentences. An era may pertain-to a reign.Logical formLearned from9 sentences. An era can be constituted-of-or-filled-with crises.Logical formLearned from9 sentences. An era may undergo civilizations.Logical formLearned from9 sentences.