Battle of San Vincente
Argentina is the succesor state of the Viceroyalty of the Río de la Plata, an overseas colony of the Spanish Empire. Argentina declared independence during the Argentine War of Independence, which was followed by the Argentine Civil Wars during most of the 19th century. The country faced several military coups and political instability during the 20th century, along with periodic economic crisis that continue to this day.
GDI made its oil platform here in the Battle of San Vincente against Nod forces. The battle was held in 2040. By 2042, Argentina was defintely classified as a Red Zone where the Scrin invaded Earth after Nod and GDI battled each other in yellow zoned Brazil.
Red Alert Universe
Argentina joined the Allied Forces during the Second World War. In Third World War, it still participated with the Allies as their troops joined the Americans in fighting Soviet forces in Mexico at Tulum in the Yucatan Peninsula and by the War of the Three Powers, Soviet forces controlled Argentina to defeat the Allies in the Dominican Republic and capture their Hydrofoil research at the Dominican Coast Guard company.