Question: which country had access to an ocean in 1830 but is now landlocked
Answer: Bolivia ( / bəˈlɪviə / ( listen ) ; Spanish : ( boˈliβja ) ; Guarani : Mborivia ( mboˈɾiʋja ) ; Quechua : Buliwya ( bʊlɪwja ) ; Aymara : Wuliwya ( wʊlɪwja ) ) , officially known as the Plurinational State of Bolivia ( Spanish : Estado Plurinacional de Bolivia ) , is located in western - central South America .