It will inevitably be harder to prevent similar acts of aggression in future.

Your business may need to have a procedure in place to prevent acts of bribery.

Everything possible, within reason, must be done to prevent acts of terrorism.

And we intend to get every single thing out of him to try to prevent terrorist acts in the future.

We pushed Arafat to do more to prevent terrorist acts.

What can we do in the future to prevent similar acts of terrorism?

Even if they had enough information, their primary interest is preventing terrorist acts.

We must therefore fight to prevent such acts using all available means.

The Palestinian authorities must do all they can to prevent acts of terrorism.

But they have been less able to prevent lone criminal acts.