Primary Sources

PrintPrint EmailEmail ShareShare CiteCite


Inter-American Treaty of Reciprocal Assistance (Rio Treaty)

Also known as the Rio Treaty or Rio Pact, this agreement between American countries contained as its principle idea that aggression against one American country was tantamount to an attack on them all. The treaty formalized the 1945 Act of Chapultepec and entered into force in 1948.

More on This Topic

Analysis Brief

Syrian Regime's Unsteady Hand

Author: Deborah Jerome

A crackdown in Hama and Amnesty International's call for reporting Syria's government to the ICC place new focus on the Assad regime's...