The Mattei Affair

The Mattei Affair Italian Il Caso Mattei is a 1972 film directed by Francesco Rosi. It depicts the life and mysterious death of Enrico Mattei, an Italian businessman who in the aftermath of World War II managed to avoid the sale of the nascent Italian oil and hydrocarbon industry to US companies and developed them in the Eni, a stateowned oil company which rivaled the seven sisters for oil and gas deals in northern African and Middle Eastern countries.

Source: Wikipedia