In the harsh fighting condition the Australian troops had to conceal themselves behind trees and logs, fire at the enemy, and then advance a few metres. The torrential rain was one of the threat to Australian troops except being attacked by Japanese troops. The rain washed rivers of mud down the mountain slopes and kept the troops sodden for days. This led to malaria, which was one of the most common diseases among half the Australian troops. This is caused by mosquitoes that carried malaria in the stifling heat and permanently wet jungle. This kind of condition was like hell to the new soldiers. (Hillman, R n.d.) Therefore, this harsh circumstances caused Australian fought for themselves and make the Kokoda battle significant to the World War