but we also know that this greater openness and faster change mean that problems which start beyond one nations borders can quickly move inside them -- the spread of weapons of mass destruction, the threats of organized crime and drug trafficking, of environmental degradation, and severe economic dislocation. no nation can isolate itself from these problems, and no nation can solve them alone. we, especially the younger generations of china and the united states, must make common cause of our common challenges, so that we can, together, shape a new century of brilliant possibilities.
in the 21st century -- your century -- china and the united states will face the challenge of security in asia. on the korean peninsula, where once we were adversaries, today we are working together for a permanent peace and a future freer of nuclear weapons.
on the indian subcontinent, just as most of the rest of the world is moving away from nuclear danger, india and pakistan risk sparking a new arms race. we are now pursuing a common strategy to move india and pakistan away from further testing and toward a dialogue to resolve their differences.
in the 21st century, your generation must face the challenge of stopping the spread of deadlier nuclear, chemical, and biological weapons. in the wrong hand