If we use the Positivism theory created by Auguste Comte, <u><em>adulthood </em></u>is the <u><em>Positive</em></u> stage of civilization development. This occurs when all the social aspects are perfectly arranged, such as economic growth, personal wealth, influence spread and the absence of conflicts.
Answer: the correct answer is c) adulthood. The correct sentence will be A civilization reaches its high point during its <u>adulthood</u> stage.
Explanation: every civilization experiences a process: first, it is born then it grows, after that, it reaches its highest point and at the end, it declines.
