Disputes - international:
in 2010, the ICJ ruled in favor of Uruguay's operation of two paper mills on the Uruguay River, which forms the border with Argentina; the two countries formed a joint pollution monitoring regime; uncontested boundary dispute between Brazil and Uruguay over Braziliera/Brasiliera Island in the Quarai/Cuareim River leaves the tripoint with Argentina in question; smuggling of firearms and narcotics continues to be an issue along the Uruguay-Brazil border

Illicit drugs:
small-scale transit country for drugs mainly bound for Europe, often through sea-borne containers; law enforcement corruption; money laundering because of strict banking secrecy laws; weak border control along Brazilian frontier; increasing consumption of cocaine base and synthetic drugs