An abolition can be retroactive.Logical formLearned from5 sentences. Hierarchy may undergo an abolition.Logical formLearned from5 sentences. A stamp may undergo an abolition.Logical formLearned from5 sentences. An abolition may pertain-to a system.Logical formLearned from5 sentences. (Class distinctions) may undergo an abolition.Logical formLearned from5 sentences. (Grammar schools) may undergo an abolition.Logical formLearned from5 sentences. A sport may undergo an abolition.Logical formLearned from5 sentences. A (reserve clause) may undergo an abolition.Logical formLearned from5 sentences. Compulsory voting may undergo an abolition.Logical formLearned from5 sentences. (Blasphemy laws) may undergo an abolition.Logical formLearned from5 sentences. (Foot bindings) may undergo an abolition.Logical formLearned from5 sentences. Monarchies may undergo an abolition.Logical formLearned from5 sentences. A kingdom may undergo an abolition.Logical formLearned from5 sentences. Mental hospitalization may undergo an abolition.Logical formLearned from5 sentences. Suffering may undergo an abolition.Logical formLearned from5 sentences.