41.   Some heavily-indebted developers have run into trouble, causing problems for the finance companies that back them.

42.   The apparent lack of multiple entry and exit gates on the crowd side of the airfield was bound to cause problems.

43.   The camp followers however caused problems with the authorities.

44.   The Coast Guard also has said it has found no serious problems caused by adding the two towers.

45.   The crowds cause the problems, but the police get blamed for it.

46.   The final fence is usually an inviting, straight forward obstacle but it can still cause problems.

47.   The heavy rain has been causing serious problems on the roads.

48.   The height of these first forests must have caused considerable problems for the animal inhabitants.

49.   The lack of snow is causing problems for ski resorts.