Bilateralism consists of economic, social, political and cultural relations between two sovereign states. The recognition of sovereignty of states by each other is a source of agreeing to develop diplomatic relations with the exchange of diplomatic agents called ambassadors
(Elias & Such, 2007)
It is in contrast to unilateralism or multilateralism, which refers to the conduct of diplomacy by a single state or multiple states, respectively.
Photo: Secretary Albert Ferreros del Rosario meets Secretary of State Kerry and Secretary of Defense Hagel in Washington to discuss the two countries’ bilateral relations. Credtis: US Embassy Manila.