11.   It came just hours after Russian forces drove rebels from their two most important mountain strongholds in Chechnya.

12.   It was, however, the first time that American forces had driven down that road, said the spokesman, Col. Michael B. Perini.

13.   Levi, whose management is often described as progressive, appears to be driven by forces affecting other apparel makers as well.

14.   Military intelligence experts at the command center were dubious that Serbian forces would be driving down an open road in such a long convoy.

15.   Much has changed in the past month since US-backed Northern Alliance forces drove the Taliban out of Mazar-e-Sharif.

16.   NATO began bombing, and Serb forces drove hundreds of thousands of refugees out of Kosovo.

17.   NATO has been building an advance force in Macedonia for an eventual peacekeeping operation in Kosovo where Serb forces have driven out ethnic Albanians.

18.   Our research shows that a new productive force is driving a group of cities.

19.   Proponents of deregulation claimed that free market forces would drive down the cost of electricity for California consumers.

20.   Russian and Dagestani officials reported Friday that Russian forces had driven the militants out of one region and captured a rebel weapons depot.