A national debt may undergo an expansion.Logical formLearned from7 sentences. (Health-care coverage) may undergo an expansion.Logical formLearned from7 sentences. A male may view expansion.Logical formLearned from7 sentences. A regulation of (greenhouse gases) may result in an expansion of authority.Logical formLearned from7 sentences. A barrier can be against expansion.Logical formLearned from7 sentences. An expansion can be by a department.Logical formLearned from7 sentences. A trajectory can be constituted-of-or-filled-with expansion.Logical formLearned from7 sentences. A (jet expansion) can be supersonic.Logical formLearned from7 sentences. (Military facilities) may undergo an expansion.Logical formLearned from7 sentences. Land can be available for expansion.Logical formLearned from7 sentences. Expansions can be in years.Logical formLearned from7 sentences. Expansions can be in a history.Logical formLearned from7 sentences. Tension can be over an expansion.Logical formLearned from7 sentences. An expansion can be unrelenting.Logical formLearned from7 sentences. An (income tax bracket) may undergo an expansion.Logical formLearned from7 sentences.