Generally speaking, if a person was climbing near the tops of the Rocky Mountains, he or she would likely find "<span>C. Very few or no trees", since there is a great deal of snow atop these mountains. </span>
If a person was climbing near the tops of the Rocky Mountain, they would find very few or no trees. When it comes alpine ecosystems (and awesome alpine skiing) just turn to the mountains. The poor soil high on mountains does not support tree growth (which is great news for all those accident-prone skiers).
Before being allowed to re-join the Union, Confederate states where required to ratify the 14th Amendment. This Amendment protected citizens from racist laws.