71.   Straightforward bribery seldom played a role in these efforts to manipulate public perceptions of international questions.

72.   Teaching in role requires the teacher to play a role in the drama with the children for a specific purpose.

73.   More adventurously, the teacher might choose to play the role of the Roman Centurion who reads out the decree.

74.   Almost certainly, both the departures from the parabolic profile in the entry length and the response to non-infinitesimal disturbances play a role in the interpretation of this fact.

75.   With increasing y it ceases to play a role long before parameters other than those in have an influence.

76.   Mental illness occurs in a context, and our understanding of factors in the current social environment which play a role in onset, recovery and relapse is growing.

77.   Men in the rural setting had longer periods of unemployment, but fewer symptoms of depression, suggesting that the broad social context played a role in adaptation.

78.   Such a description must certainly play a role in any general theory of linguistics.

79.   If it can be said to play the role of watchmaker in nature, it is the blind watchmaker.

80.   The marsupials came to dominate the Australian story and the placentals the Old World, while the two groups played important roles alongside each other in South America.