11.   Both are aspects of that extraordinary widening and deepening of the world economy which forms the basic theme of world history at this period.

12.   Mr Gorbachov too accepted the agreement would become a landmark in modern world history.

13.   America may be a novice in world history, but it is a refreshingly guileless novice.

14.   Although their effect on world history is dubious, and the facts of their lives even more so, parental pressure groups should enjoy them immensely.

15.   An aura of mystery still clings to the Mongols, long after they retreated to the margins of world history.

16.   And now, that relationship has impacted world history.

17.   Atlanta, richer for the memories if not the experience, has an esteemed place in that world history.

18.   Before long Shale is lecturing on world history through personal stories of his Vietnam firefights.

19.   Besides fishing, Brimmer enjoys reading world history and business travel.

20.   A look at the role of caves at various times in world history.