William O. Douglas,
Union National Bank of Wichita Kansas v…
“ For in those cases the Court had held that the State of the forum could not defeat the foreign judgment because it was obtained by a procedure hostile to or inconsistent with that of the forum or because it was based on a cause of action which the forum itself would not have recognized.Any other result would defeat the aim of the Full Faith and Credit Clause and the statute enacted pursuant to it. [8] It is when a clash of policies between two states emerges that the need of the Clause is the greatest. It and the statute which implements it are indeed designed to resolve such controversies. ”
