Example sentences of "have been a [adj] factor [prep] " in BNC.
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| 1 | This act is hardly likely to have endeared the chiefs to the Roman cause , especially if all the money had been spent , and could have been a deciding factor in the hardening of the changing attitudes in some of the royal households . |
| 2 | A hospital spokeswoman said : ‘ The bacteria may have been a contributing factor in these deaths . |
| 3 | He had no idea she already had suspicions which might well have been a contributory factor to her miscarriage . |
| 4 | This may well have been a contributory factor in the prevalence of death in child-birth . |
| 5 | Others believed that nervousness over forced repatriation might have been a contributory factor in the incident , following the October 1991 agreement between the United Kingdom and Vietnam [ see p. 38531 ] that any refugees arriving after that date would be returned home . |
| 6 | Global warming may have been a contributory factor in the outbreak of a malaria epidemic in the highlands of Madagascar in 1988 which killed 25,000 people . |
| 7 | It seems likely , therefore , that transport must always have been a limiting factor on trade . |