Scenario I
Factors: No Lend-Lease program for Soviet Union, no Allied ground invasion of Western Europe
Result: stalemate in Eastern Front (Axis on the defensive)
Scenario II
All factors of Scenario I + no Allied strategic bombing of Germany
Result: stalemate in Eastern Front (Soviet Union on the defensive)
Scenario III
All factors of Scenario II + Japanese invasion of Russian Far East
Result: German breakthrough
Due to the strategic depth and survivability of the Soviet state, which city is most likely to be the backup of Samara(Kuybyshev)?