What was the importance of the arcticles of confederation

It was the first written constitution of the US, and provided a structure for the young nation.

Explanation:

Equally important, the Confederation provided the new nation with instructive experience in self-government under a written document. In revealing their own weaknesses, the Articles paved the way for the Constitutional Convention of 1787 and the present form of U.S. government.

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.

fairly positive it is 4