An expansion can be broad-based.Logical formLearned from15 sentences. A country may remain opposed to an expansion.Logical formLearned from15 sentences. An arena may undergo an expansion.Logical formLearned from15 sentences. Market may undergo an expansion.Logical formLearned from14 sentences. (Ground operations) may undergo an expansion.Logical formLearned from14 sentences. A (health care system) may undergo an expansion.Logical formLearned from14 sentences. A country may see an expansion.Logical formLearned from14 sentences. An expansion can be spontaneous.Logical formLearned from14 sentences. An international-political-entity may undergo expansions.Logical formLearned from14 sentences. An (aviation industry) may undergo an expansion.Logical formLearned from14 sentences. Network may undergo an expansion.Logical formLearned from14 sentences. Runways may undergo an expansion.Logical formLearned from14 sentences. Public transportation may undergo an expansion.Logical formLearned from14 sentences. Some waves can be constituted-of-or-filled-with expansion.Logical formLearned from14 sentences. A male may join an expansion.Logical formLearned from14 sentences.