Once granted a waiver, you can obtain a visa (usually one year at first). As a holder of a waiver you can expect long delays in secondary processing at the US border, even with a visa in your passport. Strangely, an exception to this is purely political offences..
Most simply explained, a constructive trust is an equitable remedy imposed to prevent unjust enrichment (see Simonds v Simonds, 45 NY2d 233, 242 [1978]; Sharp v Kosmalski, 40 NY2d 119 [1976]).
An irrevocable trust is a non-testamentary document that is created, in lieu or in conjunction, with a will. Irrevocable trusts are those trust that may not be re-claimed by the creator, or settlor, of the trust. Once property; or in legal terminology, res, is included in a trust it may no longer be re-acquired by the settlor.