It would be the power to "<span>B. make treaties with foreign countries," that is an inherent power of the national government, since it would be nonsensical for the individual states to attempt to do so. </span>
Answer:
Factory owners could pay children less money than they paid adults.
Explanation:
Earth's atmosphere is 78% nitrogen, 21% oxygen, the rest 1 percent with very small percentages of other elements like Co2.