Which of the following correctly states a cause and effect that occurred during world war two

The need to supply combat hardware to the Allies changed the United States into a noteworthy military power.  

Explanation:

The U.S. military today are described in expansive measure by their extraordinary capacity to assault contradicting military powers with enough accuracy and speed to win against substantial chances. This capacity is, as much as any of the military's different highlights, demonstrative of their change over the previous decade and a half from powers custom fitted for real land war in Western Europe to those obviously better suited for the new sorts of fighting that have come to confront the country since the Berlin Wall descended in 1989.

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