Question

The event that officially caused the U.S. to enter World War II was

Germany's invasion of Poland
Germany's sinking of ships with U.S. passengers
Germany's bombing of London
Japan's attack on Pearl Harbor

Answer 1

at first US was isolationist, but when they got .... they intervened.

Answer 2

Don't want to give out answers directly.

Answer 3

So it would be B then, right?

Answer 4

No.

Answer 5

Oh...Oh! It's Pearl Harbor isn't it?

Answer 6

yes

Answer 7

That was officially the why

Answer 8

Ok I was confused at first, but now I get it.

Answer 9

They were exporting Guns to GB before, but they didn't directly fight (not until the Harbor).

Answer 10

and btw, that was Japan's worse move (to attack US).

Answer 11

I mean not GUns to GB, rather aircraft also

Answer 12

anyway...

Answer 13

Well thanks