A (treaty extension) can be indefinite.Logical formLearned from4 sentences. A (rationing plan) can be indefinite.Logical formLearned from4 sentences. An (opposition transport blockade) can be indefinite.Logical formLearned from4 sentences. A clampdown can be indefinite.Logical formLearned from4 sentences. (Detention powers) can be indefinite.Logical formLearned from4 sentences. A (job boycott) can be indefinite.Logical formLearned from4 sentences. A stayaway can be indefinite.Logical formLearned from4 sentences. A walkout can be indefinite.Logical formLearned from4 sentences. A (protest action) can be indefinite.Logical formLearned from4 sentences. A suspension of military operations can be indefinite.Logical formLearned from3 sentences. (Curfew orders) can be indefinite.Logical formLearned from3 sentences. A (countrywide blockade) can be indefinite.Logical formLearned from3 sentences. An action can be indefinite.Logical formLearned from3 sentences. A stay-away can be indefinite.Logical formLearned from3 sentences. A hunger-strike can be indefinite.Logical formLearned from3 sentences.