1.  The strategy may save a historic food resource, but in the fishing ports there is melancholy.

2.  South Korea had threatened to kill a historic food aid deal unless the North freed the crew immediately.

3.  South Korea had threatened to scrap a historic inter-Korea food aid agreement, signed in Beijing two weeks ago, unless the North apologized in writing.

4.  The South threatened to kill a historic food aid deal unless the North freed the crew immediately.