The Business Sponsor threatened to stop funding if there was no evidence of tangible progress.

Yes, because the early and frequent demonstration of product features to the Business Sponsor increases the visibility of the project and keeps the business engaged.

Yes, because the project's budget holder is the only person who can approve project products.

No, because products should be handed over at the end of the project, during Post-Project.

No, because the Daily Stand-up meetings should have allowed the key representatives to review and discuss the evolving solution.