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
Languages of Costa Rica languages."" Currently, in Costa Rica, there are six indigenous languages that are still used by their respective populations. All of them belonging to the Chibcha language family. Those languages are: Prior to the 9th century, only languages of the Chibchan family were spoken in Costa Rica. The extinct Huetar language, probably affiliated with the Chibchan family, served as the "lingua franca" for the interior of Costa Rica and was considered by the Spanish upon their arrival to be the "general language" of all Costa Rica. Historically, the range of the still-living Rama language also extended south into northern Costa Rica,