41.   The common enemy gone, it has become increasingly hard for the United States, Britain, and France to find the point where their national security interests converge.

42.   The end of the Cold War meant the loss of a common enemy and a powerful unifying force.

43.   The Peruvian negotiator has rightly said the two countries should focus on their common enemies of poverty and underdevelopment.

44.   The problem is not just that the absence of a common enemy has stripped Europe of its motivation to focus on common goals.

45.   The procedures used were similar to those applied when locking on a target and working in conjunction to fight a common enemy.

46.   The political dynamics have since been turned upside down, with Hun Sen and the former democratic insurgents now sharing power and the Khmer Rouge their common enemy.

47.   The thing that can unify them is a common enemy.

48.   The two countries make good friends in part because they have several common enemies.

49.   The weakening or absence of a common enemy can do just the reverse.

50.   Their common enemy became Charles Taylor.