This country began an offensive by capturing Fort Boquerón. In a speech on the Senate floor, Huey Long supported the war effort of this country (10[1])and accused Standard Oil of backing its northwestern neighbor. Lino Oviedo allegedly threatened General Andrés Rodríguez with a grenade to convince him to lead a coup in this country. A department in this country is named for Rutherford B. Hayes (10[1])because he arbitrated a border dispute in this country’s favor. For 35 years, this country was under the dictatorship of Colorado Party leader Alfredo Stroessner, who was (10[1])of partial Guaraní descent. This country fought a war with Bolivia over the supposedly oil-rich Gran Chaco. For 10 points, name this South American country whose party feuds intensified after its loss in the War of the Triple (10[1])Alliance. ■END■ (0[4])