What are the trade-offs between free enterprise and government intervention associated with the united states' antitrust policies? give one example of a u. s. government action to regulate or break-up a monopoly.

In free enterprise, the people decide which corporations will succeed. With government intervention, some government official will decide which companies will succeed. 

Free enterprise example: Apple 
Government intervention example: Solyndra

The trade-offs between free enterprise and government intervention associated with the United States' antitrust policies are the freedom of companies to create their own selling points in order to make the maximum profit out of their products and services.
In free enterprise, the people decide which corporations will succeed. With government intervention, some government official will decide which companies will succeed. 

Free enterprise example: Apple 
Government intervention example: Solyndra