The cordial talks between the two foreign ministers cover the entire gamut of their relations.

Answer: Option A

Range : the scope of a person's knowledge or abilities.
Globe : a spherical or rounded object.
Sphere : a round solid figure, or its surface, with every point on its surface equidistant from its centre.
Territory : an area of land under the jurisdiction of a ruler or state.
Gamut : the complete range or scope of something.

Synonym of Gamut is Range