Instructions: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Input: The Baluchistan States Union existed between 3 October 1952 and 14 October 1955 in modern southwest Pakistan .
Output:
The Baluchistan States Union or Balochistan States Union ( BSU ) was an administrative division of Pakistan that existed between 3 October 1952 and 14 October 1955 in the southwestern part of West Pakistan .