Disputes - international:

unruly region at convergence of Argentina-Brazil-Paraguay borders is locus of money laundering, smuggling, arms and illegal narcotics trafficking, and fundraising for extremist organizations

Illicit drugs:

major illicit producer of cannabis, most or all of which is consumed in Brazil, Argentina, and Chile; transshipment country for Andean cocaine headed for Brazil, other Southern Cone markets, and Europe; weak border controls, extensive corruption and money-laundering activity, especially in the Tri-Border Area; weak anti-money-laundering laws and enforcement