Islam descended from what early religion

A. they were white farmers of European descent

D. Acadians are the French settlers who came to North America. They originated from central France.

I'm pretty sure the answer is A

The answer to this question is functionalism
Functionalism was the school of thought that oppose  prevailing structuralism of psychology within the late 19th century.
The school of functionalism believe that people's thought proces happened in a systematic and accurate manner rather than appearing out of the blue.