Lecture 40, part 1 america in world war ii. Japan had been actively rapidly expanding in asia. America saw this as a threat to american interests. Roosevelt but an embargo on certain goods shipped to japan. Things were needed to sustain their economy and war effort: united states pacific fleet should be moved from san diego to pearl. Admiral james richardson (commander in chief of the fleet) told roosevelt this wasn"t a wise move. Went public with view, fired; replaced by husband. Freezes all japanese exports in the united states and stopped export of oil to japan. Us says is japan leaves china and indo-china; japan refuses: united states" military power was in japan"s way, conflict seems imminent. Would have to attack pearl harbor as well as bases in the. Admiral isoruku yamamoto said that they would need a surprise attack. Thought they could cripple the united states" fleet; would take them at least 6 months to rebuild fleet.