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–Spain relations include: Boilers, machines, appliances and mechanical devices; manufactures of cast iron or steel; machines, appliances and electrical equipment and miscellaneous products of the chemical industries. Spain is Costa Rica's fifth largest foreign investor with investments totaling $120 million USD in 2015. Spanish multinational companies such as Mapfre, Telefónica and Zara operate in Costa Rica. Costa Rica–Spain relations Costa Rica–Spain relations refers to the diplomatic relations between Costa Rica and Spain. Both nations are members of the Association of Academies of the Spanish Language and the Organization of Ibero-American States. In September 1502, explorer Christopher Columbus arrived to eastern Costa Rica