Caf$$ Rojo, Ltd$.,$ an Ecuadoran firm, agrees to sell coffee beans to Dark Roast Coffee Company, a U$.$S$.$ firm. Dark Roast accepts the beans but refuses to pay. Caf$$ Rojo sues Dark Roast in an Ecuadoran court and is awarded damages, but Dark Roast$$s assets are in the United States. Under what circumstances would a U$.$S$.$ court enforce the judgment of the Ecuadoran court?