[Magician]

The Saudis stole the oil fields from an American company, Aramco, by simply demanding the majority ownership of Aramco. It was a form of nationalization. It was little different than how the Cubans stole/nationalized American investments and properties in Cuba when the Communists took over.

[Patria One]

Except is was ALL decided contractually in the 1930s. Try reading about Max Steinke.