Rio de la Plata (Eastern Manifest Destiny)

Rio de la Plata, officially the Republic of the Rio de la Plata (Spanish: República del Río de la Plata) or simply just the Rioplatense Republic, is a sovereign landlocked nation located in central South America. Named after the original Viceroyalty of the Rio de la Plata, the country roughly occupies the northernmost region of the former viceroyalty.