It essentially brought the New Deal policies to an end because there was such a large leap in the economy. They did add a few things such as wage caps and regulations, hence the creation of insurance. <span />
This was called an "iron curtain." Western powers noticed issues of blame and stepping up armaments, therefore having a negative response.
The argument that Carnegie makes about the uses to to which the great fortunes of industrialists should be devoted is that he argued that the wealthy must live modestly and make use of their fortunes for the elevation of all civilization.
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Correct me if I'm wrong but I believe the answer is that they Developed new artistic styles that rejected traditional ideas about art.
Explanation: