Stellaris: Flames of World War 2

The year is 2256, And the Empire is at peace, However upon Discovering a Primitive World and a planet thought to be a Fable in the Middle of it's 20th Century and the most horrifying conflict known to mankind, Will the Empire succeed in helping the Allies or will Old Foes thought defeated prevail? (Decided to repost this because IDC if this doesn't get views I am doing this for Ice