The national defense act was passed in response to what event

The National Defense Act of 1916 was a law passed in order to regulate the organization of the military, particularly the National Guard. This act was passed in response to the raid on Columbus, New Mexico perpetrated by Pancho Villa. The act was passed to ensure that the army would be ready for the next conflict. It also ensured the availability of wartime weapons and equipment.

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.