French authorities control their colonial territories in Indochina by By using a powerful military to get revenge on any groups that harmed French citizens. Thus option (B) is correct.
<h3>What type of government did the French impose on those in Indochina?</h3>
The form of the government used by the french to impose its rule on the Indochina was done through the influence of the western style and exploited them economically.
The Governor-General presided over the French administration in Indochina, which was supported by a network of other government organizations.
The Governor-General shared ultimate authority with numerous French residents. By employing a potent military to exact retribution on any groups that injured French residents, French authorities maintain control over their former colonies in Indochina.
Therefore, The correct option is (B)
Learn more about French administration here:
brainly.com/question/23154685
#SPJ1