The answer is C.
As a science website says, "Scientists think they know why the Ancestral Puebloans disappeared. The primary culprit, studies suggest, was a megadrought that would have made it impossible to grow enough food to feed the tens of thousands of people living in the region."
If you didn't know, drought represents the lack of rain.
I consider myself a conservative!!
C. McColloch v. Maryland
The Supreme Court ruled that the bank was both constitutional and that as an agent of the federal government it could not be taxed
The Valley and Ridge region is a small area in the north west corner of Georgia. The area also represents the westernmost region of the Appalachian Mountains. The area is also bounded to the east by the Blue Ridge. The topography of the ridge is dominated by erosion that expose alternating layers of hard and soft sedimentary rocks that were deformed during the orogeny of the Appalachian Mountains.
