 For the Japanese, it provided a strong obstacle to the Australian advance north towards the coast, while also offering them the ground along which they could launch their own offensive in order to recapture the territory they had lost earlier in the campaign.For the Australians, the Japanese positions on the high ground signalled threat and their commander, Vasey, came to the decision that he would have to launch an offensive in order to capture this ground.This led to a number of battles in the steep mountains of the Finnisterres.