States in the region were called upon to take appropriate measures to prevent proliferation of those weapons as well.

Despite Iraq's evasions, inspections remain the most reliable way to prevent nuclear proliferation.

"Otherwise, the allied countries should show good will and prevent the spread and proliferation of war in the region."

And we're going to build the strongest international network to prevent nuclear proliferation.

A resumption of testing will undermine political support for preventing proliferation.

Determined American efforts have prevented further nuclear proliferation for decades when experts predicted it couldn't be done.

The most important thing we can do to prevent nuclear terrorism is to prevent proliferation.

This will be a major step forward in preventing nuclear proliferation.

I believe all options must be left open to prevent nuclear proliferation.

I think that engagement in the fight to prevent proliferation of nuclear weapons is a crucial task which also falls to you.