sentences:  In this case, difficulties arose from the fact that Herring failed to make it clear to Savige and Wilton exactly what was meant by "threaten".What would end up being threatened by Savige's very success was Blamey's plan for the capture of Lae, which called for the Japanese defenders of Lae to be drawn away towards Salamaua.The campaign also included an acrimonious exchange between Savige and American commanders that threatened Allied harmony.