21.   But it is bound to become a bigger issue in coming years, as tension rises with allies who are also competitors for billions in contracts.

22.   But now that the war is over, the tensions are rising.

23.   But tension is rising here.

24.   But tensions rose again after a rapid succession of gunshots.

25.   But tensions are rising.

26.   But underneath, tension was rising, just as it has everywhere else here.

27.   Could a similar drought this year cause tensions to rise again?

28.   Each day, the tension rises in the still-occupied territories.

29.   Economists expect the surplus to continue expanding into next year and the yen to strengthen against the dollar if trade tension rises between the U.S. and Japan.

30.   Economists expect the surplus to continue expanding into next year, and the yen to strengthen against the dollar if trade tensions rise between the U.S. and Japan.