Disputes - international:
unruly region at convergence of Argentina-Brazil-Paraguay borders
is locus of money laundering, smuggling, arms and drug trafficking,
and harbors Islamist militants
Illicit drugs:
major illicit producer of cannabis, most or all of which is
consumed in South America; transshipment country for Andean cocaine
headed for Brazil, other Southern Cone markets, Europe, and US;
corruption and some money-laundering activity, especially in the
Tri-Border Area