Stalin had promised to Roosevelt that allowed the people of Europe " to create democratic institutions of their own choice. But then he broke his promise
Answer: How Germany would be divided up amongst all of them and how what life is going to be like after everything was over.
It's <span>domestic opposition to the war.</span>
The US had many attempts at compromise with varying levels of sucess before the Civil War. However, when Lincoln was elected president (on the platform of stopping the expansion of slavery), the South lost hope and seceded.
There is always a solution other than war, however, in this case, war had been a looming possibility for quite some time, and compromise probably would've only pushed the war back a year or two.
Hope this helps :)