So everyone admits that Hitler is evil, there's no getting around that. But what would have happened if everyone's least favorite art reject with an interest in eugenics and politics had never started WWII? Lets just say in 1923, during his putsch, he got shot and died.
Considering how WWII shaped our modern world, what would 2012 look like if WWII had never happened?
Would the US still have gotten involved in a war against Japan? Would the Soviets rose to power? Would atomic power have been developed so early?