Example sentences of "have contributed to a " in BNC.

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1 Changes in household structure — the increase in single parents and in divorce , and a greater emphasis on equality of opportunity within the education and employment systems ; legal changes ; all have contributed to a rising level of consciousness .
2 In addition to stressing these " internal " limits on parliamentary democracy in Britain , stress is also placed on " external " factors that have contributed to a loss of powers and to a significant reduction in the scope of our capacity to govern ourselves .
3 The assessment panels have contributed to a better working relationship between guidance staff and other members of staff .
4 Our Friday debates tend to be of rather higher quality than some of our midweek debates and all hon. Members who have spoken so far — and , I am sure , those who will follow me — have spoken to a high standard and have contributed to a serious debate on this important issue .
5 ‘ Lower interest rates have contributed to a pick-up in the growth of narrow money , while retail sales have been on a steady upward trend for almost a year .
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