Answer:
A substantial enough connection with the state.
Step-by-step explanation:
Since in the question it is mentioned that the Liu filed a suit for Macro sales in a state court that depends upon a website in order to do a business between the New jersey residents and macro. The court also exercise the jurisdication above Macro as if the site interactivity i.e output is depend upon the inputs done seen as sufficient connection with the state
The same is to be considered