Which of the following is an example of a superimposed boundary? A. The geometric boundary between the United States and Canada

B. The border of the European Union

C. The Pyrenees Mountains between France and Spain

D. The geometric boundary between Iraq and Saudi Arabia

E. The geometric boundary between Iraq and Saudi Arabia

F. The Great Wall of China

D. The geometric boundary between Iraq and Saudi Arabia

Explanation:

The boundary can be defined as the imposed boundary in a geogrephical area or a region. Conquering or an external power the preexisting cultural organizations and patterns are completely ignored. the superimposed boundary is the geometric boundary between Iraq and Saudi Arabia, Uganda and Kenya.

more information from here:

there are hundreds of postives ways to unite a country with another country here are a   few

1 peace treaty's peace treatys

are basically a document signing a allliance with one country and another.

2 gift

what i mean by this is for example how the french gave the americans the statue of libery a gift of peace.