11.  These incidents were the latest in a series of disputes between the two nations.

12.  The two nations have maintained cordial relations.

13.  There was a long history of adversary dealings between the two nations.

14.  The diplomats failed to ease tensions between the two nations.

15.  The country acted without the sanction of the other nations.

16.  The two nations agreed to demilitarize themselves reciprocally.

17.  Tensions between the two nations had risen to the breaking point.

18.  Fortunately, the cool relationship between the two nations never escalated into a hot war.

19.  Adenauer was encouraging and over the course of the summer French and German officials began consultations with officials from the other four nations.

20.  Ideas and information were exchanged, and an attempt was made to map out in very general terms what the two nations had in common in the Middle East.