Start with the customer and the commercial decision
A UK product story should not be assumed to explain the US buying decision without review. The use case, comparison language and purchase destination need to work together for the audience being acquired. I trace the intended customer path and identify where the message requires a better explanation, a more relevant destination or a different product selection.
For a remotely coordinated launch or creator campaign, the brief also defines approvals before material is produced. The product owner confirms claims, the marketplace owner checks the destination and the stock owner confirms availability. Those decisions prevent a strong piece of content from promoting an offer the US customer cannot find or buy in the way the creative suggests.