That emperor had earlier signed of the treaty of Saigon, giving rise to this polity, which was governed by officials called Residents superieur.
This region was home to an insurrectionary movement called the Black Flags, as well as a rebellion in support of a royal pretender named Pou Kombo. The Darlan-Kato agreement provided for the stationing of Japanese troops in this polity, which experienced another rebellion led by the Kempetei military police. This polity gained additional territory by annexing as a protectorate a nation ruled by King Norodom and forced the Treaty of Hue on the emperor (*) Tu-duc. That emperor had earlier signed of the treaty of Saigon, giving rise to this polity, which was governed by officials called Residents superieur. Finally dismantled by the 1954 Geneva Accords, for 10 points, identify this confederation formed from Vietnam, Laos, and Cambodia by a certain European colonial power.
This region was home to an insurrectionary movement called the Black Flags, as well as a rebellion in support of a royal pretender named Pou Kombo.
French Indochina [prompt on partial answers such as "Vietnam," "Cambodia," or "Laos" before mention]