How did new technologies impact the nature of warfare and affect the course and outcome of the war?​

Perhaps the most significant technological advance during World War I was the improvement of the machine gun, a weapon originally developed by an American, Hiram Maxim. ... They also developed air-cooled machine guns for airplanes and improved those used on the ground, making them lighter and easier to move.

explanation:

japan participated in world war i from 1914 to 1918 in an alliance with entente powers and played an important role in securing the sea lanes in the west pacific and indian oceans against the imperial german navy as the member of the allies.