1.   If relations with Russia or China worsen, administration officials say, the United States may need to quickly expand its nuclear arsenal.

2.   In recent months, relations have worsened.

3.   Of course, even if you succeed and your boss is reprimanded, you can expect relations to worsen radically.

4.   Relations with Europe worsened.

5.   Relations worsened when China arrested Harry Wu, a Chinese-American human rights activist.

6.   Since then, relations have only worsened.

7.   U.S.-China relations have worsened in recent months with China accusing the U.S. of backing supporters of Taiwanese independence.

8.   Palestinian-Israeli relations have worsened with the decision by Netanyahu to lift a freeze on subsidies for Israeli settlers on the West Bank.

9.   Bosnian Serb leader Radovan Karadzic predicted relations would soon worsen.

10.   But if relations worsen, the United States would stop supplying fuel oil to North Korea and the possibility of sanctions would come up again.