After Egypt nationalised the British- and French-controlled Suez Canal in 1956, the tri-partite military forces which then fought in what became known as the Suez Crisis included those of which country or countries?
UK and France The US and the USSR were involved, but from a distance not with military forces on the ground. The other forces in the so-called tripartite war were Israeli.
19th century French engineer Ferdinand de Lesseps, having supervised the construction of the Suez canal, was later famously tried and convicted for what?