What event involving the United States brought about the need or desire to begin an expansionist policy with regard to foreign affairs

The correct option is: "the Mexican-American War"

Explanation:

It was the the Mexican-American War that brought about the need or desire to begin an expansionist policy with regard to foreign affairs, since the end of this war ceded a lot of new territory that was used by settlers moving west.

several states had passed similar laws, but they were limited to intrastate businesses. the sherman antitrust act was based on the constitutional power of congress to regulate interstate commerce.

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where is the passage

i cant solve it without knowing the passage