But in two five-day weeks, Republican stalling tactics prevented any important votes.

This tactic often cooled tempers more quickly than stopping the show might have, and prevented fans from being escorted out of the show.

Mujahideen tactics of ambush prevented Soviets from developing successful counterattacks.

He argued that "no tactics on this earth could have prevented the assault."

These tactics prevent the protest from reaching a flash point and make it unnecessary for uniformed officers to charge a crowd, he said.

His tactics and gallantry undoubtedly prevented what might have been a severe reverse to his patrol.

Ideology, tactics, tribal loyalties and personal ambition have prevented these parties from forming a united front.

Referees also ensure that the boxers don't use holding tactics to prevent the opponent from swinging.

The tactic has prevented deaths caused by confusing Bengal tigers, which attack only from the back.

In the second overtime, both sides used borderline tactics to get an edge or prevent a goal.