Moldova and Romania have experienced an extremely complicated relationship since Moldova's independence in 1991. Pan-Romanianism has been a consistent part of Moldovan politics, and was adopted in the Popular Front of Moldova's platform in 1992. Romania's relations with neighbour Moldova have been strained since 1994. Most of Moldova was part of Romania during the interwar period. The official language of Moldova is Romanian. Likewise, the peoples of the two countries share common traditions and folklore, including a common name for the monetary unit – the leu. Early signs that Romania and Moldova might unite after both countries achieved emancipation from communist rule quickly faded. However, a growing unionist sentiment emerged especially in the second decade of the 21st century. Romania remains interested in Moldovan affairs and its progress towards European integration.