Some characteristics about the process of Nguyen empiers established Vietnam Southwestern Sea and Islands Area's Sovereignty in the 18th Century

In the process of expanding his territory to the South, Lord Nguyen appreciated the importance of the Southwestern sea and islands for the cause of establishing a "kingdom" of his own. The process of establishing sovereignty over the Southwestern seas and islands was carried out from 1708 to 1757 and was completed. The article focuses on clarifying the main features of the process of establishing sovereignty over the Southwestern seas and islands to fully realize: (i) the difficulties and challenges faced by Lord Nguyen and the Mac family, (ii) the strategic vision of Lord Nguyen's strategy for domestic and foreign activities, (iii) the contributions of the Mac family in the process of establishing sovereignty over the Southwestern sea and islands