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Many nations have been faced with the problem of ... Recently the problem has been brought into focus. To solve the above-mentioned problem, we must ... In summary, if we continue to ignore the above mentioned issue, more problems will crop up. It makes no sense to argue for ... Too much stress placed on ... may lead to ... Such a statement mainly rests on the assumption that ... Such examples might be given easily. ...is often cited as an example. No one can deny the fact that ... The idea is hardly supported by facts. Many of us have been under the illusion that... Whether it is good or not /positive or negative, one thing is certain/clear It may give rise to a host of problems. The immediate result it produces is ... Contrary to what is widely accepted, I maintain that ... A good case in point is ... As an illustration, we may take ... Unfortunately, none of the available data shows ... Recent studies indicate that ... It is reasonable to maintain that ...but it would be foolish to claim that... | 
