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an example of commerce that would be regulated by the federal government is
a ferry that takes passengers from new york to new jersey.
a bakery that sells homemade bread in texas.
a company that rents paddle boats on a lake in florida.
a bus that takes passengers between two towns in missouri.

The answer to the question: An example of commerece that would be regulated by the federal government..., would be: A ferry that takes passengers from New York to New Jersey.

Explanation:

The reason is that from the options given, this is the one that presents interstate commerce. Unlike inside state commerce, which is usually controlled by the state´s government, and under state control, interstate commerce falls out of the jurisdiction of one, or the other state, in this case, New York and New Jersey. In this event, the one entity that is called on to regulate commerce is the federal government, whose authority falls on all affairs that are interstate.