Proving that Hitler's biggest mistake, as if it needed proving, was his failure to conquer or neutralize Britain before turning his attention to the Soviets.
Even the Soviets were astonished by the amount of damage done to Berlin by allied bombing. Without British bases, the bombing would have been impossible. Without Britain as a combantant, World War II would have followed a whole different course.
- Never developed a successful long-range heavy bomber before starting war with Russia.
- Turned the Ukrainians against Germany instead of enlisting them to fight Russia.
- Didn't deny Allied access to the Med.
- Committed too many resources to building super weapons, e.g., Tiger IIs, instead of producing more copies of proven designs.
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Maybe Germany will fight alongside the US in the next World War.