1.   The deaths occurred when police acted to stop widespread looting and vandalism.

2.   Government regulators, meanwhile, have acted to stop the experiments.

3.   He said that other U.S. military service members who were near the parking lot where the rape took place had acted to stop the incident.

4.   Hurley shouted, demanding to know why McNamara did not act to stop the war then.

5.   If we find it, we act to stop it.

6.   More and more Americans are coming to believe that this country must act to stop the horror in Bosnia.

7.   Money got more expensive last week, as the Federal Reserve acted to stop inflation before it appears.

8.   Some opposition leaders warn that the violence could spin out of control if the police do not act more forcefully to stop the raids soon.

9.   The policy blocked the United States from acting to stop the killing.

10.   When no one else acted to stop the trucks, however, the high-school senior stepped out into the road and was arrested.