But one trustee of the teachers' fund, California Treasurer Bill Lockyer, said state laws and the fund's own investment rules necessitated a formal divestiture.
However, rules of engagement are a modern concept necessitated by the possibility of nuclear warfare, advances in telecommunications, and the increased use of military forces in peacekeeping roles.
To be clear, the Tory cuts are less than implied by the recent Autumn Statement, which is significantly more hairshirt than necessitated by George Osborne's fiscal rule.
Moral interpretation is necessitated by the belief that the Bible is the rule not only of faith but also of conduct.
In Russia, meanwhile, the rule of Vladimir Putin continued intact despite the damaging impact of western sanctions, imposed after his annexation of Crimea, and spending cuts necessitated by falling oil revenues.
The programme was necessitated by the housing catastrophe that the Soviet Union faced by the 1950s.
He is the intellectual apex necessitated by the system.
The renovation, which was completed in 2006, was necessitated by a breakup.
"This election was necessitated by the unstable outcome of the 7 June elections.
"Many of these changes have been necessitated by unfunded state mandates and by rising student enrollment," he said.
