Gwadar remained under Oman’s rule for ______ years.

Explanation
The Gwadar Port is  situated  on the  Arabian Sea  at Gwadar in the  Balochistan  province of Pakistan The Gwadar Port was  Opened : in 2002; Pakistan  purchased  Gwadar   port from   Oman   on 8th   September 1958. Gwadar   officially became   part of Pakistan on   8th December 1958. Gwadar   remained under Omani rule   for   174 years from 1783 -1958  Gwadar Port is   situated   on the   Arabian Sea   at Gwadar in   Balochistan province. Opened : 2002  while  Pakistan has   three big  sea ports   It was  purchased  from Oman in 1958. Karachi Port, Muhammad Bin Qasim port and Gwadar port. ******* ND29-5-2023