Input (grade 10): The union of Romania with Bukovina was ratified in 1919 in the Treaty of Saint Germain, and with Bessarabia in 1920 by the Treaty of Paris.
Output (grade 6): Romania and Bukovina were joined together in 1919 as a result of the Treaty of Saint Germain. Bessarabia joined with Romania in 1920 when the Treaty of Paris was signed.