How did Emperor Hirohito maintain power?

Answer 1

Hirohito became emperor on the death of his father in December 1926. He therefore became the 124th emperor in direct lineage. Caligula

Answer 2

He was born to it. By todays standards he was born with a "Silver Spoon".

Answer 3

he waged war with china which later developed into the World War II.

Answer 4

Emperor Hirohito was born into this position. His father, the Emperor, was suffering from mental illness therefore Hirohito became the Emperor when he was a young adult.