Which East Asian nation developed the political strategy of a "Greater East Asia Co-Prosperity Sphere"?

Question

Quizplus · Accepted Answer

The political strategy of a "Greater East Asia Co-Prosperity Sphere" was developed by Japan during its imperialistic expansion in the early 20th century. The idea was to create an economic and cultural zone in East Asia that would be led by Japan and bring prosperity to the region. This strategy was ultimately used as justification for Japanese aggression in World War II.

Which East Asian Nation Developed the Political Strategy of a "Greater