About one-third increase to the size of the United States. The states of Nevada, Arizona, California, Utah and some parts of New Mexico and the Gadsden purchase completes the southern parts of Arizona and New Mexico. This land is from Mexico acquired by the United States.
C.They brought machines and workers together in one place.
Fog, the other three options would be too high in the atmosphere to cause visibility problems.
It would be commutative property because no matter how you put the situation the answer will not be different/ and or wont change
