Question: Who was the 25th Presidente del Consiglio?

Context paragraphs:
President of Bolivia: The President of the Plurinational State of Bolivia (Spanish: "Presidente del Estado Plurinacional de Bolivia" ) or President of Bolivia (Spanish: "Presidente de Bolivia" ), is head of state and head of government of Bolivia.  According to the current Constitution, the president is elected by popular vote to a five-year term, renewable once.  In 2016, in a referendum the country voted to maintain term limits.  Since 2009, if no candidate wins a majority, the top two candidates advance to a runoff election.  Prior to 2009, if no candidate won half the popular vote, the president was chosen by a vote in a joint legislative session from among the top two candidates (prior to 1995, the top three candidates were eligible).

Prime Minister of Italy: The President of the Council of Ministers of the Italian Republic (Italian: "Presidente del Consiglio dei ministri della Repubblica Italiana"), commonly referred to in Italy as Presidente del Consiglio and known in English as the Prime Minister of Italy, is the head of government of the Italian Republic.  The office of Prime Minister is established by Articles 92 through to 96 of the Constitution of Italy.  The Prime Minister is appointed by the President of the Republic after each general election and must have the confidence of the Parliament of Italy to stay in office.

Juan de Vega: Juan de Vega y Enríquez, "6th Señor del Grajal", "Viceroy of Navarre" (1542), "Viceroy and Captain General of Sicily" (1547–1557), "presidente del Consejo de Castilla", was an ambassador of Charles V, Holy Roman Emperor.  He first served as ambassador of Charles V at Rome, where he met Ignatius of Loyola.  Esteeming him and Ignatius’ religious order, the Jesuits, when Vega was appointed Viceroy of Sicily he brought Jesuits with him.  A Jesuit college was opened at Messina; success was marked, and its rules and methods were afterwards copied in other colleges.

Maestà (Simone Martini): The Maestà is a large fresco (7.63 x 9.7 m) by Simone Martini.  It takes up the whole north wall of the Sala del Mappamondo (or Sala del Consiglio) in the Palazzo Pubblico in Siena.  It dates to 1315 and is considered as one of the artist's masterpieces and one of the most important examples of 14th-century Italian art.

Ivanoe Bonomi: Ivanoe Bonomi ] (18 October 1873 – 20 April 1951) was an Italian politician and statesman before and after World War II and who served 25th Prime Minister of Italy.

Duce: Duce (] , "leader") is an Italian title, derived from the Latin word "dux", and cognate with "duke".  National Fascist Party leader Benito Mussolini was identified by Fascists as "Il Duce" ("The Leader") of the movement.  In 1925 it became a reference to the dictatorial position of "Sua Eccellenza Benito Mussolini, Capo del Governo, Duce del Fascismo e Fondatore dell'Impero" (""His Excellency Benito Mussolini, Head of Government, Leader of Fascism and Founder of the Empire"").  Mussolini held this title together with that of President of the Council of Ministers: this was the constitutional position which entitled him to rule Italy on behalf of the King of Italy.  "Founder of the Empire" was added for the exclusive use by Mussolini in recognition of his founding of an official legal entity of the Italian Empire on behalf of the King in 1936 following Italy's victory in the Second Italo-Ethiopian War.  The position was held by Mussolini until 1943, when he was removed from office by the King and the position of "Duce" was dismantled, while Marshal Pietro Badoglio was appointed Presidente del Consiglio.

Riserva Naturale Pian di Spagna e Lago di Mezzola: The Riserva Naturale Pian di Spagna e Lago di Mezzola is a nature reserve in Lombardy, Italy.  The reserve consists of the Lago di Mezzola and the wetland area which separates it from Lake Como, the Pian di Spagna.  It includes parts of the comuni of Sorico and Gera Lario in the province of Como, and of the comuni of Dubino, Verceia and Novate Mezzola in the province of Sondrio.  It was established by Deliberazione del Consiglio Regionale III/1913, dated 6 February 1985, and has the EUAP reference code EUAP0326.

Presidency of the Council of Ministers (Italy): The Presidency of the Council of Ministers (Italian: "Presidenza del Consiglio dei ministri" ) is the administrative structure which supports the Prime Minister of Italy (referred to in Italian as the President of the Council of Ministers).  It is thus the Italian equivalent of the Prime Minister's Office.

President of the Regional Council (Italy): The President of the Regional Council (Italian: "Presidente del consiglio regionale") is the Speaker who heads the "consiglio regionale" of a "regione", a state-level territory.

President of Cuba: The President of Cuba (Spanish: "Presidente de Cuba" ), officially called from 1976 President of the Council of State (Spanish: "Presidente del Consejo de Estado de Cuba" ), is the head of the Council of State of Cuba.  The current office is established under the Constitution of 1976.

Supporting paragraphs: Ivanoe Bonomi Prime Minister of Italy
Answer: Ivanoe Bonomi