The party supported complete separation of church and state, decentralization toward municipal governments, the United States of Europe according to Carlo Cattaneo's beliefs, progressive taxation, an independent judiciary, free and compulsory education for children, universal suffrage, women's and workers' rights while opposing capital punishment as well as any kind of protectionism, nationalism, imperialism and colonialism.
[6] Under the oligarchic electoral law of newly unified Italy, there were no possibilities for The Extreme to enter the Italian Parliament, except for some national heroes such as Giuseppe Garibaldi.
[7] The electoral reform of 1882 allowed the possibility to form a small opposition parliamentary group, but only after the introduction of the universal suffrage in 1913 did The Extreme become the dominant left-wing party of the Italian Chamber of Deputies and the winning coalition in many municipal and provincial elections in Northern Italy.
However, Depretis immediately began to look for support among the Right Members of Parliament, who readily changed their positions, in a context of widespread corruption.
This phenomenon, known in Italian as trasformismo (roughly translatable in English as "transformism"—in a satirical newspaper, Prime Minister Depretis was depicted as a chameleon), effectively removed political differences in Parliament, which was dominated by an undistinguished liberal bloc with a landslide majority until after World War I.