OSCE developed a two prong programme on travel document security.

The third prong, positive action, had been developed on the basis of the Committee's 1999 recommendation.

It also requires that you and the president converge on a multi prong, multi year policy initiative that, at a minimum, makes simultaneous advances in six critical areas

In 642, Umar launched multi prong expeditions into Persia, first capturing Isfahan province thus cutting off the northern province of Azerbaijan and southern province of Fars from main empire.