Why did the Japanese retreat from port moresby?

The Japanese retreated from Port Moresby during World War II due to a combination of strategic setbacks and the successful Allied defense. The Battle of the Coral Sea in May 1942 thwarted their plans to invade Port Moresby by sea, while logistical challenges and fierce resistance from Australian and American forces further weakened their position. Facing supply shortages and the threat of being cut off, the Japanese ultimately decided to withdraw to preserve their remaining forces.