The climate of Colorado is considered the finest in North America, and consumptives, asthmatics, dyspeptics, and sufferers from nervous diseases, are here in hundreds and thousands, either trying the "camp cure" for three or four months, or settling here permanently. Answer choices for the above question A. The high elevation made it a desirable location for settlers. B. Colorado had magic air that healed sick people. C. Colorado had quickly become overwhelmed by travelers. D. Colorado had excellent air quality and was an environment that supported good health.