Instability may arise from an attack.Logical formLearned from4 sentences. Militias may arise in 1980s.Logical formLearned from4 sentences. A question of having talks may arise at a point.Logical formLearned from4 sentences. Obstacles may arise that something-is-the-case.Logical formLearned from4 sentences. A rift may arise with a world-city.Logical formLearned from4 sentences. A (security threat) may arise.Logical formLearned from4 sentences. Some acts may arise.Logical formLearned from4 sentences. A pact may arise from a support.Logical formLearned from4 sentences. A tie may arise.Logical formLearned from4 sentences. An issue of privatization may arise.Logical formLearned from4 sentences. A dispute may arise over areas.Logical formLearned from4 sentences. A divide may arise.Logical formLearned from4 sentences. Issues may arise in a security-council.Logical formLearned from4 sentences. Difficulties may arise over an allocation of authority.Logical formLearned from4 sentences. Disagreements may arise in a country.Logical formLearned from4 sentences.