In 1963, the U.N. Security Council declared a voluntary arms embargo on South Africa. That was extended to a mandatory embargo in 1977. And that was followed by economic sanctions and other measures - sometimes officials, countries, cities, towns - some organized by popular movements.
It is not necessary to change. Survival is not mandatory.
That was mandatory in the contract with Aaron Spelling, that if you were contracted to do one of his shows, you had to do any other shows that were his.
