11.   Atoh said that Japan could partly compensate for the decline in the labor force by having the elderly hold their jobs longer and by encouraging more women to work.

12.   Administration officials say the final version of the guidelines could be in force by November.

13.   But American Airlines said that it had done nothing illegal and that it was simply responding to market forces by lowering prices and increasing flights.

14.   Burns has chosen to explore European soccer in a different way, immersing himself in market forces by attempting to create or enhance the demand for his services.

15.   But his words were repeated with force by a younger member of Hamas, whose voice blared out to the crowd over a tower of loud speakers.

16.   But the decisive civilizing step, he wrote, was the replacement of individual force by the power of the community.

17.   But then Pakistan announced it planned to bolster its force by pulling soldiers from the border with Afghanistan.

18.   China is equally adamant in its opposition to any use of force by NATO.

19.   Ethnic Serbs living on the north side of this divided city are on edge, a day after the massive show of force by thousands of Albanian protesters.

20.   Ethnic Serbs living on the north side of this divided city were edgy Tuesday, a day after the massive show of force by thousands of Albanian protesters.