For one thing, the ruling elite in the dictatorship is under no strong compulsion to adjust to the needs of its population.
He does not want to be seen to be acting under compulsion.
At the same time, Fitzgerald often appeared to be under a compulsion to ridicule Murphy's elegant style.
And, right or wrong, he seemed to be under some compulsion to damage his own cause even in the South.
In recent years, the administration has chosen to spend profligately even in areas where it was under no compulsion to do so.
Fitzgerald again seemed to be under some compulsion to spoil the evening, which he later re-created with such sensitivity in his novel.
She will be under less compulsion to remain loyal than other secretaries of state not least because she can be sure that Mr Obama would have an extremely hard time firing her.
Pupils know these firms are under no compulsion to hire them, but, as Charlie Crawshaw, 14, says, "at least we have the sense that we have a foot in the right door".
As long as Yasir Arafat makes no discernible effort to comply with the critical prerequisites of the road map -- a halt to violence and inciteful rhetoric against Israeli civilians -- Israel should be under no compulsion to comply with its commitments.
A President may fancy that he has a mandate (and, morally, he may well have one), but the two separately elected, differently constituted, independent legislatures whose acquiescence he needs are under no compulsion to agree.
Indeed it seems that this profound and lonely man was under a compulsion to make every great alteration in his life a matter for remorse, for the incursion of a general horror into the particular life.
