My Politico-meter is fluctuating around 'warning', just under 'danger'. Let's hope it doesn't swing all the way over to 'General Topics Strength'.
By the way Duci, 'Briton' is a British person, 'Britain' is the island

. Not having a go, just for reference

.
Japan had fuel shortages, due to the embargo, so they had to do something to keep their economy going and would still have needed to secure fuel, probably in another military way, but yeah attacking America galvanised public opinion. There's always been conspiracy over how much the US knew and how the carriers just happened to be out that day, but at that time all the top brass were battleship guys.
I'm not sure about how succesful co-ercing another nation into an uprising would be, as Germany didn't manage to convince Mexico to invade the US.