Resistance in a \u27Culture of Permission:\u27 Sociological Readings of the Correspondence with Persian Authorities in Ezra 1-7

The first six chapters of the book of Ezra center around an alleged correspondence between the Persian Emporer\u27s court and the local authorities of Palestine under Persian rule. Without question, these letters were crucial to the editors of Ezra-Nehemiah. But why? What does the reproduction of this alleged official correspondence mean to the final editors of Ezra-Nehemiah