Inta lagu gudajiray dagaalkii u dhexeeyay Brazil, Uruguay iyo Argentina ee ka dhanka ahaa Paraguay (1865<unk>1870), Paraguayans waxay u adeegsadeen gantaallada Congreve dhowr dagaal oo ay ka mid yihiin: Dagaalkii Riachuelo (June 11, 1865) markii gantaallada dhulka laga soo tuuray loo adeegsaday ciidamada badda ee Brazil guul la'aan; Dagaalkii Paso de las Cuevas (Agoosto 12, 1865) markii Paraguayans ay adeegsadeen qoryaha iyo gantaallada; Dagaalkii Corrales (Janaayo 31, 1866) markii gantaallada Paraguay loo adeegsaday ka dhanka ah ciidamada lugta iyo fardooleyda ee Isbahaysiga; Dagaalkii Tuyutí
(May 24, 1866) markii ciidamada Paraguay ay u adeegsadeen inay weeraraan fardaha gacansaarka ah ee gacansaarka ah; Dagaalkii Yatayti Corá (July 10, 1866) halkaas oo Paraguay ay u adeegsatay laba gantaal oo gantaal 68-pound ah; mar kale "Yatayti Cora" (Janaayo 20, 1867) markii gantaallada Paraguay ay sabab u noqdeen dab ka kacay xerada Argentine. Ciidanka Badda ee Brazil ayaa u adeegsaday iyaga intii lagu jiray Dagaalkii Curupayti (Sebtember 22, 1866), iyagoo isku dayaya inay burburiyaan goobta la xoojiyay ee Paraguay, laakiin gantaallada ayaa gaaban.