A multinational corporation operates in multiple AWS Regions and each region has a dedicated research team. The company maintains a collection of proprietary datasets in an Amazon S3-based data warehouse. A data engineering team has been tasked with ensuring that each research team can only query datasets pertaining to their specific region. The solution should be scalable and maintain minimal operational overhead. Which combination of actions should the data engineering team take to enforce this requirement with the least amount of operational overhead? (Select TWO.)