- Location
- Visiting BWBs.
As for the third, he thought that Germany and the USA were already at war.
Given that USA was escorting convoys, depth charging submarines, had enacted Lend-Lease, and so on, it's not a great leap to assume that a state of near war was pretty much a given.
As for the first, I'm no expert, but my understanding is that the Balkan diversion delaying Barbarossa is a myth long since debunked. One three-letter word can summarise the reason for the delay: Mud. Go into the Balkans or not, it won't advance by a single second when Barbarossa can be launched.