A frantic last-minute scramble prevented both boats from sinking.
Colley argues that this turning point of aggregation prevented both civil war and invasion from abroad.
The Times already had extensive written ethics rules that should have prevented both instances.
Kerry's hastily arranged visit appears to have prevented both candidates from declaring victory and dampened calls from Abdullah's supporters, who include powerful warlords, to form a "parallel government".
Neil Young prevented both himself and the Oscar-nominated actor Carrie Snodgress, who he was dating, from attending the ceremony by refusing to wear a tuxedo.
A judge's order that has been in place for months has prevented both sides from discussing the case outside of court.
None of this has prevented both Koreas from using the industrial park as a point of leverage in the showdown over the Cheonan.
That's because, all the vows of cooperation immediately after the 2008 election notwithstanding, there were structural reasons that probably prevented both sides from getting there.
This hasn't prevented both sides in the Catholic culture war from claiming that the scandal vindicates their respective vision of the church.
Unrecognized laryngeal cyst prevented both tracheal tube and ES tracheal penetration.
At that time technical difficulties prevented both a low temperature and variable temperature study by X-ray crystallography.
