Frederick Jackson Turner and the frontier. A year after the Oklahoma Land Rush, the director of the U.S. Census Bureau announced that the frontier was closed. The 1890 census had shown that a frontier line, a point beyond which the population density was less than two persons per square mile, no longer existed.
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Matthew's Gospel was to Jewish Christian
Mark's Gospel was to a non Jewish gentile Christians undergoing persecution
Luke was to largely gentile Christians (world)
Answer: 22 letter alphabet
Explanation: i did the test