Which constitutional power was the main basis for congressional passage of legislation regulating business activities during the late nineteenth and early twentieth centuries?
a. to provide for the common defense
b. to regulate the currency
c. to establish a uniform system of weights and measures
d. to regulate commerce among the states

The correct answer for the question that is being presented above is this one: "d. to regulate commerce among the states." The constitutional power that was the main basis for congressional passage of legislation regulating business activities during the late nineteenth and early twentieth centuries is to regulate commerce among the states.

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