A. The border between Afghanistan and Pakistan is a superimposed boundary. This is because this type of boundary is drawn by a third party. Meaning that third parties of that country has affected some part of how the boundary existed. The boundary between these two countries cam e to be because both felt that one had more power than the other due to ethnic groups. This superimposed between Afghanistan and Pakistan also exists due to ongoing conflict between the two.
B. One positive way: The boundary has affected the way each geographical unit or country has developed.
One negative way: This boundary between the two resulyed in operational boundary disputes and constant or ongoing conflicts.