Countries often take the census of their people. in it's report for 1890, the United States Census Bureau indicated that The American frontier could no longer be differentiated from settlement areas.
What was the Census Bureau Report?
The 1890 census shows that the frontier region of the United States does not exist anymore and that the Bureau would no more monitor the westward migration of the U.S. population.
By 1890, settlement in the American West was known to be sufficient in the population density such that the frontier line is no longer existing.
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