Answer:
The United States changed in many ways after World War II, such as by developing a greater desire for consumer goods, seeing itself and being seen by others as a superpower, and becoming more involved in European affairs.
The Author develop this idea that World War 2 created positive changes in US, by studying the economical and military progress it made right after the War.
World war 2 ended with the dropping of Atom Bombs on Hiroshima and Nagasaki by US. This showed to the world the military progress America has achieved.
During the World War, European countries became dependent on the financial support of US, which helped in making Dollar as the World Currency. Hence, Economically and Politically World War helped US to become world power.
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