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-- Query 11: Cross-Border Travel Issues -- Helps understand international expansion challenges (Question 1) SELECT Tags.TagName, COUNT(*) as IssueCount, AVG(CAST(Posts.Score as FLOAT)) as AvgScore, SUM(Posts.ViewCount) as TotalViews FROM Posts LEFT JOIN PostTags ON Posts.Id = PostTags.PostId LEFT JOIN Tags ON PostTags.TagId = Tags.Id WHERE Tags.TagName IN ('visas', 'customs', 'immigration', 'international-travel') AND Posts.PostTypeId = 1 GROUP BY Tags.TagName ORDER BY IssueCount DESC;