Final answer:
Blitzkrieg is the plan that talked about the Army's attack on Hitler's troops at their weakest points first and then slow advancement towards German soil.
Step-by-step explanation:
The plan that talked about the Army's attack on Hitler's troops at their weakest points first and then slow advancement towards German soil is called Blitzkrieg. Blitzkrieg was a strategy used by the German military in World War II, which emphasized quick and powerful attacks to quickly overwhelm the enemy. It involved the use of combined arms and air support to swiftly break through enemy lines and gain territory.
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