Well do you have any all ready?
the second one isnt a reason that they got involved its what we did in response to pearl harbor and another reaosn was because GB was our ally so we kinda were obligated to help them
nvm on that hole GB thing
Bombing of Pearl Harbour by Japanese. 2) Failure of intelligence service informing of the approaching Japanese squadren of bombers. 3) Winston Churchill's willingness to convince President Rooservelt to join the war effort 4) Trade restrictions placed on some Japenese goods. 5) A simplistic solution to solve America's growing unemployment queus . Also after declaring war on japan 7 days later Germany declared war on us
this also might help http://www.secondworldwarhistory.com/united-states-ww2-events-timeline.asp