11.   Although these officials have not specifically called for retention of U.S. troops in Bosnia after June, the American contingent is key to the international peacekeeping effort.

12.   An Atlanta-area software company is helping an international effort to save the Sumatran tigers in Indonesia.

13.   And the statement by Clinton was intended to underscore American support for an international effort that would go well beyond that, if needed.

14.   Another promising international effort is the purchase of carbon storage rights by polluters who emit large amounts of carbon dioxide.

15.   As president of Operation Smile Vietnam, Phan is part of an international effort to help children who need reconstructive surgery.

16.   As the stalemate in the Senate starkly illustrates, jobs versus the environment myths now threaten to scuttle international efforts to tackle global warming.

17.   Bin Laden has been using Afghanistan as his base and as a haven from international efforts to bring him to court.

18.   Bob Dole has reluctantly supported the international effort in Bosnia, and Bill Clinton is opposing the re-election of U.N. Secretary-General Boutros Boutros-Ghali.

19.   Besides his trailblazing research in theoretical physics, Salam was a leader in international efforts to make physics accessible to students from developing countries.

20.   BP Amoco has been a leader in supporting international efforts to slow climate change.