A backbone may pertain-to a (peacekeeping force).Logical formLearned from12 sentences. Constraints can be on a (peacekeeping business).Logical formLearned from12 sentences. Resources may be needed for peacekeeping.Logical formLearned from12 sentences. Demand can be for peacekeeping.Logical formLearned from12 sentences. A peacekeeping can be expanded.Logical formLearned from12 sentences. A (peacekeeping mission) can be controversial.Logical formLearned from12 sentences. A peacekeeping can be contingent.Logical formLearned from12 sentences. A (peacekeeping force) may undergo a reduction.Logical formLearned from12 sentences. Peacekeeping may undergo a failure.Logical formLearned from12 sentences. Troops can be from a (peacekeeping mission).Logical formLearned from12 sentences. A (peacekeeping operation) can be successful.Logical formLearned from12 sentences. A size may pertain-to a (peacekeeping mission).Logical formLearned from12 sentences. A contribution can be to (peacekeeping efforts).Logical formLearned from12 sentences. (Peacekeeping missions) can be lucrative.Logical formLearned from12 sentences. A soldier can be in a (peacekeeping force).Logical formLearned from12 sentences.