1.   But the Clinton administration is under a great deal of pressure from the United Nations to unravel the agreement.

2.   The continuing offensive threatens to unravel the agreement and rekindle the fighting in other regions where the cease-fire has largely taken hold, United Nations officials said.

3.   This year North Korean stonewalling is more likely to unravel that agreement than improve it.

4.   Unraveling such agreements can be difficult and costly.

5.   But early Saturday, they demanded to pay a lower percentage and to have their payments reviewed after three years, which would unravel the agreement, diplomats said.