SS Cap Polonio's destination port was the leading transshipment point for foreign trade of which country in South America?
SS Cap Polonio SS "Cap Polonio" was a German  GRT ocean liner that was launched in 1914 and scrapped in 1935. She worked the Hamburg Südamerikanische Dampfschifffahrtsgesellschaft ("Hamburg South America Steamship Company") route between Hamburg in Germany and Buenos Aires in Argentina. She was named after Cabo Polonio in Uruguay.
Cape Virgenes Cape Virgenes ("Cabo Virgenes", Cape Virgins) is the southeastern tip of continental Argentina. Ferdinand Magellan reached it on 21 October 1520 and discovered a strait, now called the Strait of Magellan. As 21 October was the feast day of Saint Ursula and the Eleven Thousand Virgins, he named the cape in their honor.