The Colorado Plateau of Northern Arizona is a vibrant mix of high
deserts and forests over a mile above sea level. Climate, geology, and
vegetation draw visitors for water activities, hiking, canyoneering, and skiing.
Roughly centered on the Four Corners Region of Arizona, Utah, Colorado,
and New Mexico, its windswept mesas and sandstone formations create an
unforgettable geographic experience.
The answer is C Calhoun claimed that the slave system was better than the “wage slavery” in the north. There is more on John C. Calhoun at www.historynet.com