source: In light of obvious evidence that the Soviets had been preparing defenses for the attack, the operation would clearly greatly weaken the panzer forces that Guderian had been trying to rebuild.
target: There was obvious evidence that the Soviets had been preparing defenses for the attack. The operation would clearly greatly weaken the panzer forces that Guderian had been trying to rebuild.
references: There was obvious evidence that the Soviets had been preparing defenses for the attack. The operation would clearly greatly weaken the panzer forces that Guderian had been trying to rebuild.