The news of Nagasaki reacted the leadership before they voted on their final decision.
They split evenly on the question of whether to surrender or to keep fighting in favor of conditional surrender terms (and this after 2 atomic bombings and the Soviet invasion of Manchuria).
Hirohito had to break the tie and decide for peace; he did mention the atomic bomb as one of his reasons, but we can't know where that ranked vs. the Soviet invasion, American preparations, etc.
They split evenly on the question of whether to surrender or to keep fighting in favor of conditional surrender terms (and this after 2 atomic bombings and the Soviet invasion of Manchuria).
Hirohito had to break the tie and decide for peace; he did mention the atomic bomb as one of his reasons, but we can't know where that ranked vs. the Soviet invasion, American preparations, etc.