Which boundary would be the BEST example of a consequent boundary? A) the boundary between Sudan and South Sudan B) the boundary between South Africa and Lesotho C) the boundary between Madagascar and Mozambique D) the boundary between the United States and Canada E) the boundary between Serbia and Bosnia and Herzegovin

The answer is D.

Explanation:

An example of a consequent boundary would be the boundary between Serbia and Bosnia and Herzegovina. A consequent boundary is one that coincides with a cultural divide utilizing an antecedent geographical divide. Serbia and Bosnia and Herzegovina were separated with the balkanization of Yugoslavia, but utilizes the Drina River as the divide.