Answer:
US Army officers.
Step-by-step explanation:
The New Japanese Constitution went into effect in 1947. That document was made by the Supreme Allie Commander Douglas MacArthur and his staff in the region, they all wrote and prepared the draft in 1946. Through that constitution, it was granted universal suffrage, disabling of legal power by the Emperor, abolishment of the peerage, even after the New Constitution went into effect, Japan military activities were illegal.