All legal systems have long recognized the need to provide the plaintiff with provisional relief of various types so as to insure that, during the pendency of the legal proceedings, the defendant does not take actions that would frustrate the possibility of enforcing the plaintiff's judgment should one be obtained.
While recognizing the need to provide such relief, the law has, however, also been faced with an opposing set of values. That is, provisional relief is, by definition, relief provided before the plaintiff has proven the defendant's liability. In other words, the coercive power of the courts is sought to be brought to bear, whether in the form of sequestration of the defendant's property or by an order directed against him personally to restrain from acting as he otherwise would, before it is determined definitively that he is liable to the plaintiff. This is a drastic step indeed—a restraint of the defendant's property or liberty prior to a definitive adjudication of his liability.