Which of the following describes an example of a consequent boundary?
A. The Berlin Wall between East and West Germany no longer exists, but the location is still evident.
B. European powers divided Africa at the Berlin Conference and drew boundaries across the continent.
C. The United States-Canadian boundary was set at the 49th parallel by a treaty before the area was settled.
D. Canada created the province of Nunavut to provide greater autonomy for the First Nations.
E. The Andes Mountains are used as a political boundary to divide Chile and Argentina.