Vietnamization I’m pretty sure
A future states to the north of a set point would be free.
Answer:
French Indochina, officially known as the Indochinese Union after 1887 and the Indochinese Federation after 1947, was a grouping of French colonial territories in Southeast Asia. A grouping of the three Vietnamese regions of Tonkin, Annam, and Cochinchina with Cambodia was formed in 1887.