Venue, jurisdiction, and choice of law are three distinct concepts.
However, consider a Delaware corporation contracts with a Michigan corporation to build a building in California. The check, drawn on a Florida bank account bounces, which causes a charge in Michigan corp’s Nevada bank account. Furthermore, in the original contract is a forum selection clause that says litigation is to occur in Kansas. Kansas may apply 1st 2nd or 3rd Restatement principles.
Which state’s laws apply? Which have jurisdiction?