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The reason why the combat effectiveness of the US military in World War II was strong was not only because of its sophistication, but also because of the combined influence of other factors. The following will be answered in detail from several aspects:
Military power: The United States had already built up a strong military power before World War II. Before the outbreak of the war, the United States had already carried out a large-scale military expansion and modernization. This gives the US military considerable advantages in terms of the number of personnel, the level of equipment, and the degree of training.
Industrial strength: The United States had a large and highly developed industrial system during World War II, capable of mass-producing all kinds of ** equipment. This provides the U.S. military with a sustained and updating, ensuring its superiority on the battlefield.
Scientific and technological innovation: The United States conducted a lot of scientific and technological research and development and innovation during World War II. For example, the United States made major breakthroughs in the fields of light tanks, aircraft engines, radio communications, etc., and made an important contribution to the victory of the war.
Military Strategy: The U.S. military also has strong capabilities at both the strategic and tactical levels. The United States has adopted a series of flexible strategic and tactical measures, such as island hopping tactics, transport fleet troop transportation, and crowd tactics, which have enabled it to quickly carry out operations and achieve victory in different theaters.
Resource support: The United States has strong economic strength and extensive resource support. This allowed the United States to mobilize large quantities of material, strategic material, and financial resources to support the war effort, ensuring the long-term durability of the war.
In short, the strong combat effectiveness of the US military in World War II was the result of a combination of factors. **Excellence is only one of them, but also includes many factors such as military strength, industrial strength, scientific and technological innovation, military strategy and resource support. The organic combination of these factors enabled the US military to show extremely high overall combat effectiveness in World War II.