Final answer:
The outcomes of Standard Oil and U.S. Steel cases, the main issue in the DuPont cellophane case, and the major difference between Microsoft and Standard Oil cases are outlined.
Explanation:
Standard Oil and U.S. Steel Cases: The outcome of the Standard Oil case in 1911 led to the breakup of the Standard Oil Trust due to its monopoly status, while U.S. Steel, along with other companies, successfully defended against antitrust suits by utilizing economies of scale.
Main Antitrust Issue in DuPont Cellophane Case: The main antitrust issue in the DuPont cellophane case was defining the market scope; by expanding the definition to include all wrapping paper, DuPont avoided accusations of monopoly in the cellophane market.
Major Difference between Microsoft and Standard Oil Cases: The major difference between the Microsoft and Standard Oil cases lies in the respective accusations, with Standard Oil facing charges of monopoly and Microsoft accused of monopolizing the software market through its Windows operating system.
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