It would seem--given bits like the (LBB) low passage canon--simply to be "the Imperium" setting.
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Suddenly the old 'coffin ships' of the Great Famine of Ireland in the early 19th century come to mind.
The British Empire of that time could easily be characterized with a whole panoply of positive & negative labels.
ps I once read a book that asserted that the vast majority 2/3's - 3/4's of those who 'went west' on the Oregon Trail were such abysmal failures that, even if they made it, they eventually vanished from the records.
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