21.   A Globe series last year focused on the heavy toll taken by peacetime accidents in the US military.

22.   But before it was won, the fight took a heavy toll.

23.   But the bursting of the Internet bubble and subsequent slowdown in capital spending by service providers took a heavy toll on Cisco.

24.   But ranchers fear the wolves will migrate to parts of Wyoming, Montana and Idaho that abut the park, taking a heavy toll in domestic livestock.

25.   But the fall of world oil prices took a heavy toll, as did the growing anxiety over emerging markets.

26.   But the strike is taking a heavy toll, said S. Fred Schiffman, the president of the agency.

27.   But the unrest also took a heavy social toll.

28.   But this time with a heavy toll of children.

29.   But the migrant life can take a heavy toll on their educations.

30.   Crime, drugs and diseases like AIDS have taken a heavy toll, as suggested by boxlike sidewalk altars with flickering candles and commemorative murals painted on walls.