The new Kingdom of Italy obtained Great Power status. The Constitutional Law of the Kingdom of Sardinia the Albertine Statute of 1848, was extended to the whole Kingdom of Italy in 1861, and provided for basic freedoms of the new State, but electoral laws excluded the non-propertied and uneducated classes from voting. The government of the new kingdom took place in a framework of parliamentary constitutional monarchy dominated by liberal forces. As Northern Italy quickly industrialised, the South and rural areas of the North remained underdeveloped and overpopulated, forcing millions of people to migrate abroad and fuelling a large and influential diaspora. The Italian Socialist Party constantly increased in strength, challenging the traditional liberal and conservative establishment.
Starting in the last two decades of the 19th century, Italy developed into a colonial power by forcing under its rule Eritrea and Somalia in East Africa, Tripolitania and Cyrenaica in North Africa (later unified in the colony of Libya) and the Dodecanese islands.[120] From 2 November 1899 to 7 September 1901, Italy also participated as part of the Eight-Nation Alliance forces during the Boxer Rebellion in China; on 7 September 1901, a concession in Tientsin was ceded to the country, and on 7 June 1902, the concession was taken into Italian possession and administered by a consul. In 1913, male universal suffrage was adopted. The pre-war period dominated by Giovanni Giolitti, Prime Minister five times between 1892 and 1921, was characterised by the economic, industrial, and political-cultural modernization of Italian society.