 Complete the following phrase:  He promoted his vision in La Constituente, a political journal that he launched and directed. The first edition, printed by Felice Le Monnier, was published in Florence on 23 December 1848. In several of his articles he expressed his strong opposition to the idea, dear to the heart of its promoter, Vincenzo Gioberti, of a federative constitution with the pope as the head of state in a unified Italy. He closely followed political developments in Piedmont to the north and in the newly established Roman Republic to the south. He urged that Grand Duke Leopold should send a delegation of deputies to the Roman Congress convened in 5 February 1849. He believed that the presence of deputies from Tuscany could transform the Roman congress into a national Italian congress, especially once-revolutionary governments from 