the intense world sanctions against them.
its become a common ploy of the US and their allies to create enemies in this manner, of nations they want government changes.
either the people eventually get frustrated over the poverty and rise up and change it themselves, or the nation declares war and gets themselves destroyed.
the US was literally WAITING for the japanese to attack from the very beginning.
I hate how the US does this and then pleads to be the good guys
Abe Lincoln did the same thing with Fort Sumter in the Civil War
And there was the battleship incident that triggered vietnam (hurr lets put a ship deep in enemy waters what could go badly)