Costa Rica–Nicaragua San Juan River border dispute President Laura Chinchilla was criticized by former President Óscar Arias for her naïve handling of the situation. On November 18, 2010, Costa Rica filed proceedings against Nicaragua in the International Court of Justice. The complaint alleges an incursion into, occupation of and use by Nicaragua's Army of Costa Rican territory, breaches of Nicaragua's treaty obligations toward Costa Rica, and “ongoing and planned dredging and the construction of the canal (that) will seriously affect the flow of water to the Colorado River of Costa Rica, and will cause further damage to Costa Rican territory, including the wetlands and national wildlife protected
Costa Rica–Mexico relations Costa Rica–Mexico relations Costa Rica–Mexico relations refers to the diplomatic relations between Costa Rica and Mexico. Both nations are members of the Association of Caribbean States, Community of Latin American and Caribbean States, Organization of American States, Organization of Ibero-American States and the United Nations. Costa Rica and Mexico are two Latin American nations that share a common history in the fact that both nations were colonized by the Spanish empire. During Spanish colonization, Costa Rica was under the administration of the Viceroyalty of New Spain in Mexico City. In 1821, Mexico gained independence from Spain and Costa Rica became