I do believe it would be cartography
The Treaty of Saigon was signed on June 5, 1862, between representatives of the French Empire and the last precolonial emperor of the House of Nguyen, Emperor.
Start date: June 5, 1862
Emperor Taizu set the policy that most of the governing officials should beConfucian literati who passed the imperial exam, which was known as the Keju examination in ancient China. Thanks to this policy, many ordinary people became officials by studying hard.
Psychological warfare involves the planned use of propaganda and other psychological operations to influence the opinions, emotions, attitudes, and behavior of opposition groups. RAND has studied military information support operations (MISO) in many countries and war zones and has provided objective and supportable recommendations to policymakers on methods and tactics to employ or defend against these operations.
