The first summit, held in the city of Waco, Texas of the United States in 2005, created the Security and Prosperity Partnership (SPP).
The Union of South American Nations (Unasur) was established on May 23, 2008, aimed to promote integration among South American countries.
The Brazilian government wants activities of the U.S. military in Colombia to be restricted to the latter's territory.
Venezuelan President planed to buy Russian tanks against boosting U.S. military presence in neighboring Colombia.