Select the option that completes the sentence.The French  developed a mutually beneficial relationship with Indigenous people of North America.

Sure, here is the step-by-step process to complete the sentence:

1. Identify the subject of the sentence: "The French"
2. Identify the verb in the sentence: "developed"
3. Identify the object of the sentence: "a mutually beneficial relationship with Indigenous people of North America."
4. Determine what is missing in the sentence: It appears to be missing a time frame or context.

Possible options to complete the sentence could be: a) "during the 17th century" b) "through trade and alliances" c) "by respecting their customs and traditions" d) "in the fur trade era"

So, the completed sentence could be: "The French developed a mutually beneficial relationship with Indigenous people of North America through trade and alliances."