Question:  Raúl Alberto Lastiri was promoted to the presidency of the country after what 38th President of Argentina resigned?

Context articles: Raúl Osella
Timeline of the presidency of Gerald Ford
Raúl Cubas Grau
Gerald Ford
León Gieco
Raúl de Ramón
José López Rega
Raúl Alberto Lastiri
Raúl Alberto Quijano
Héctor José Cámpora

Raúl Alberto Osella (born 8 June 1984 in Morteros) is an Argentine association footballer who currently plays for FC Locarno in Swiss Challenge League.
 He played FIFA U-17 World Cup Final for Argentina national team 2001.
 He played for Boca Juniors and Tiro Federal in Argentina.
The presidency of Gerald Ford began on August 9, 1974, when Gerald Ford became President of the United States, and ended on January 20, 1977, a span of days.
 Ford, the 38th United States president, succeeded Richard Nixon, who had resigned from office.
 Prior to this he was the 40th Vice President of the United States, serving from 1973 until President Richard Nixon's resignation in 1974.
 He was the first person appointed to the vice presidency under the terms of the Twenty-fifth Amendment to the United States Constitution, following the resignation of Vice President Spiro Agnew on October 10, 1973.
 Ford has the distinction of being the first, and to date the only person to have served as both vice president and president without being elected to either office.
Raúl Alberto Cubas Grau (born August 23, 1943 in Asunción) is a Paraguayan politician.
 He served as the President of Paraguay from 1998 until 1999.
Gerald Rudolph Ford Jr. (born Leslie Lynch King Jr.; July 14, 1913 – December 26, 2006) was an American politician who served as the 38th President of the United States from August 1974 to January 1977, following the resignation of Richard Nixon.
 Prior to this he served eight months as the 40th Vice President of the United States, following the resignation of Spiro Agnew.
 He was the first person appointed to the vice presidency under the terms of the 25th Amendment, and consequently the only person to have served as both Vice President and President of the United States without being elected to executive office.
 Before his appointment to the vice presidency, Ford served 25 years as U.S. Representative from Michigan's 5th congressional district, the final nine of them as the House Minority Leader.
Raúl Alberto Antonio Gieco, better known as León Gieco (born on November 20, 1951 in Cañada Rosquín, Argentina) is an Argentine folk rock performer, composer and interpreter.
 He is known for mixing popular folkloric genres with Argentinian rock and roll, and lyrics with social and political connotations.
 This has led to him being called "The Argentine Bob Dylan".
Raúl de Ramón, full name Raúl Alberto de Ramón García del Postigo, (May 12, 1929, Santiago de Chile — April 1984) was a Chilean composer, musician and folklorist and author of numerous widely known songs in Chile, such as "The Curanto", "Nostalgia Colchaguina", "Camino de Soledad", "Rosa Colorada", "Canción de la Caballería", "El Amor del Arriero" and many more.
José López Rega (17 October 1916 – 9 June 1989) was an Argentine politician who served as Minister of Social Welfare from 1973-75, first under Juan Perón and continuing under Isabel Martínez de Perón, Juan Perón's third wife and presidential successor.
 Lopez Rega exercised Rasputin-like authority over Isabel Perón during her presidency, and used his influence and unique access to become the de facto ruler of Argentina.
 His far-right politics and interest in the occult earned him the nickname "El Brujo" ("the Warlock").
 Rega had one daughter, Norma Beatriz, who went on to become the spouse of President Raúl Lastiri.
Raúl Alberto Lastiri (September 11, 1915 – December 11, 1978) was an Argentine politician who was interim president of Argentina from July 13, 1973 until October 12, 1973.
 Lastiri, who presided over the Argentine Chamber of Deputies, was promoted to the presidency of the country after Héctor Cámpora and Vicente Solano Lima resigned, he organized new elections and delivered the country's government to Juan Perón, who won with over 60% of the votes.
Raúl Alberto Quijano (13 December 1923 – 14 April 2006) was an Argentine lawyer and diplomat who served as foreign minister during the last months of the administration of President Maria Estela Martinez de Peron.
Héctor José Cámpora (March 26, 1909December 18, 1980) was 38th President of Argentina from 25 May until 13 July 1973.