Complex sentence: She has said that a French-Russian partnership is necessitated by "obvious civilization and geostrategic factors" as well as France's energy security interests: "France's interests are in Europe, but in Greater Europe, especially including its partnership with Russia".
Split into simpler sentences: She has said that a French-Russian partnership is necessitated by "obvious civilization and geostrategic factors" as well as France's energy security interests. She believes that "France's interests are in Europe, but in Greater Europe, especially including its partnership with Russia".