Who authorized the attacks on pearl harbor, and what was the motivation behind these attacks?

The Japanese Empire under Tojo and the navy under Admiral Yamamoto

Explanation:

The Japanese were pursuing a policy of expansionism in the Pacific that needed them to create strings of defensive islands in the pacific to protect their conquered territories that provided all the resource needed to fuel this maritime power.The US pacific fleet was the only threat to this expansionism, and by hoping that a large surprise attack would quickly destroy the American fleet, causing them to surrender, make peace, and resume trading, the Japanese attacked pearl harbour

answer; /// i do believe that the correct answer is (a); a farming tribe that settled primarily along the mississippi and arkansas rivers;

julius caesar turned the roman republic into the roman empire by coming in and taking the "dictator" role during the time of a civil war (elites vs lower classes) winning battles and reputation, then declaring him dictator for life

hope this : )