Many of Monaco's works resulted from contests held during the Fascist age. Examples include the Politic-touristic-custom buildings (1937), Office of the Fascist Confederation of traders (1939), and the moving Bridge at Magliana (1940). He joined the competition E42 (EUR, Rome) for the Palazzo dei Congressi (1937–38) and other projects including the preparation for the "Mostra Augustea della Romanità" (1937.)