USA HISTORY

Detailed explanation-1: -French Indochina in the 1940s was divided into four protectorates (Cambodia, Laos, Tonkin, and Annam) and one colony (Cochinchina). The latter three territorial divisions made up Vietnam.

Detailed explanation-2: -Vietnam became a French colony in 1877 with the founding of French Indochina, which included Tonkin, Annam, Cochin China and Cambodia. (Laos was added in 1893.) The French lost control of their colony briefly during World War II, when Japanese troops occupied Vietnam.

Detailed explanation-3: -Relations between citizens of the United States and residents of what is today the Socialist Republic of Vietnam began during the 19th century, when that region was a colony of the French Empire.

Detailed explanation-4: -Vietnam before French colonisation was already centuries old. During its medieval period, Vietnam evolved into two separate kingdoms: Bac Bo and Champa. Bac Bo was the northernmost region, named for the Gulf of Tonkin. By around 300 BC, this area had become known as Nam Viet; its inhabitants were called the Lac Viet.

Detailed explanation-5: -Indochina, also called (until 1950) French Indochina or French Indochine Française, the three countries of Vietnam, Laos, and Cambodia formerly associated with France, first within its empire and later within the French Union.