Caracas, Apr 19 (Prensa Latina) Establishing a Council of Social Movements of the Bolivarian Alliance for the Peoples of Our America-People's Trade Agreement (ALBA-TCP) is one of priorities for this regional integration mechanism, as stated by the Executive Secretary of this Latin American and Caribbean organization Jorge Arreaza when he made his presentation, “The Principle of Unity as a Transforming Element,” on the second day of the World Gathering for a Social Alternative, which is being held in Caracas, Venezuela.