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Hello aquaspressovending, A good person for you to follow would be Aleyda Solis. To answer your question, it is relatively safe to repurpose content across different pages, subdomains or even domains if done properly for different countries. You can choose a canonical version (e.g. the US version or UK version...) and connect the rest using a rel alternate href lang tag, which is explained in the checklist Patrick linked to above.

Thanks for this response. Will migrating to a generic site let's say .com : affect the current rank of my current site perhaps turn off users outside the U.S. who might jump to conclusion that it is a U.S. based site Is it perhaps better to host the blog only on a separate generic .com site and having localised micro sites sans blog in other geographies?